Cisco Security Advisory - A vulnerability in the Common Internet File System (CIFS) optimization feature of the Cisco Wide Area Application Service (WAAS) device could allow an unauthenticated, remote attacker to perform a resource consumption attack which, could result in a complete denial of service (DoS) condition. The vulnerability is due to insufficient flow handling of incoming CIFS traffic. An attacker could exploit this vulnerability by sending malicious traffic designed to trigger the vulnerability. An exploit could allow the attacker to cause a DoS condition by exhausting system buffering resources, resulting in a reload of the affected device.
2715d13cf76692d67920e23b151a377b19a7661e7d9c847e77de82e2caad3f1cCisco Security Advisory - A vulnerability in Cisco Modular Encoding Platform D9036 Software could allow an unauthenticated, remote attacker to log in to the system shell with the privileges of the root user. The vulnerability occurs because the root user has a default and static password. This account is created at installation and cannot be changed or deleted without impacting the functionality of the system. An attacker could exploit this vulnerability by remotely connecting to the affected system via SSH using this account. Successful exploitation could allow the attacker to access the system with the privileges of the root user. In addition to the root user, the guest user account also has a default and static password. The guest account is created at installation and cannot be changed or deleted without impacting the functionality of the system. However, this account has limited privileges on the system. Cisco has released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are not available.
fc9d0d2252846864b39f5c3b09475bac31aed871f4a9dc779685ed832a514880Cisco Security Advisory - A vulnerability in a CGI script in the Cisco UCS Manager and the Cisco Firepower 9000 Series appliance could allow an unauthenticated, remote attacker to execute arbitrary commands on the Cisco Unified Computing System (UCS) Manager or the Cisco Firepower 9000 Series appliance. The vulnerability is due to unprotecting calling of shell commands in the CGI script. An attacker could exploit this vulnerability by sending a crafted HTTP request to the Cisco UCS Manager or the Cisco Firepower 9000 Series appliance. An exploit could allow the attacker to execute arbitrary commands on the Cisco UCS Manager or the Cisco Firepower 9000 Series appliance. Cisco has released software updates that address this vulnerability.
9c8fe5c6f50edaa9c3f0047fc7cc1967a178d3b69c2eb01ef7ae36795f502b11Cisco Security Advisory - A vulnerability in the Admin portal of devices running Cisco Identity Services Engine (ISE) software could allow an unauthenticated, remote attacker to gain unauthorized access to an affected device. An attacker who can connect to the Admin portal of an affected device could potentially exploit this vulnerability. A successful exploit may result in a complete compromise of the affected device. Customers are advised to apply a patch or upgrade to a version of Cisco ISE software that resolves this vulnerability. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
ac992d9883b10e34c66deba77b58a16df223551af899029c9112482eb1053436Cisco Security Advisory - Devices running Cisco Wireless LAN Controller (WLC) software versions 7.6.120.0 or later, 8.0 or later, or 8.1 or later contain an unauthorized access vulnerability that could allow an unauthenticated, remote attacker to modify the configuration of the device. An attacker who can connect to an affected device could exploit this vulnerability. A successful exploit may compromise the device completely. Customers are advised to upgrade to a version of Cisco WLC software that addresses this vulnerability. There are no workarounds that address this vulnerability. Cisco has released software updates that address this vulnerability.
05d2a7a9b828f546520e282399018f9eb91e523b31431b112f03c5ae6d0587ddCisco Security Advisory - A vulnerability in the IP ingress packet handler of Cisco Aironet 1800 Series Access Point devices could allow an unauthenticated, remote attacker to cause a complete denial of service (DoS) condition. The vulnerability is due to improper input validation of IP packet headers. An attacker could exploit this vulnerability by sending a crafted IP packet to an affected device. An successful exploit could allow the attacker to cause the device to reload unexpectedly. Cisco has released software updates that address this vulnerability. There are no workarounds that mitigate this vulnerability.
5a7de60b10213ed639c86ff1ca2de6ae2e578ff47c798d1dadaead8a36218bb1Cisco Security Advisory - A vulnerability in Cisco Aironet 1800 Series Access Point devices could allow an unauthenticated, remote attacker to log in to the device by using a default account that has a static password. By default, the account does not have full administrative privileges. The vulnerability is due to the presence of a default user account that is created when the device is installed. An attacker could exploit this vulnerability by logging in to the device by using the default account, which could allow the attacker to gain unauthorized access to the device. Cisco released software updates that address this vulnerability. There are no workarounds that mitigate this vulnerability.
d5583bfcecbc2723568b382ec61b7b3479f17fffe95e3a8027c5557599344828Cisco Security Advisory - A vulnerability in the Java deserialization used by the Apache Commons Collections (ACC) library could allow an unauthenticated, remote attacker to execute arbitrary code. The vulnerability is due to insecure deserialization of user-supplied content by the affected software. An attacker could exploit this vulnerability by submitting crafted input to an application on a targeted system that uses the ACC library. After the vulnerable library on the affected system deserializes the content, the attacker could execute arbitrary code on the system, which could be used to conduct further attacks. Cisco will release software updates that address this vulnerability. There are no workarounds that mitigate this vulnerability.
c5a4ebcf1166c860b0b9e2dfffc2c555bd3286e04e16fdc3619f440519651cc1Cisco Security Advisory - A vulnerability in Cisco Prime Collaboration Assurance (PCA) Software could allow an unauthenticated, remote attacker to log in to the system shell with the default cmuser user account and access the shell with a limited set of permissions. The vulnerability is due to an undocumented account that has a default and static password. This account is created during installation and cannot be changed or deleted without impacting the functionality of the system. The first time this account is used the system will request that the user change the default password. An attacker could exploit this vulnerability by remotely connecting to the affected system via SSH by using the undocumented account. Successful exploitation could allow the attacker to access the system with the privileges of the cmuser user. This vulnerability allows the attacker to: access some sensitive data, such as the password file, system logs, and Cisco PCA database information; modify some data; run some internal executables; and potentially make the system unstable or inaccessible. Cisco has released software updates that address this vulnerability. Workarounds are available.
d64e29508c852dfb295d954b6f3d5f1cb35149ab6e04faffe75dc242b23aae6bCisco Security Advisory - A vulnerability in the installation procedure of the Cisco Mobility Services Engine (MSE) appliance could allow an authenticated, local attacker to escalate to the root level. The vulnerability is due to incorrect installation and permissions settings on binary files during the MSE physical or virtual appliance install procedure. An attacker could exploit this vulnerability by logging into the device and escalating their privileges. A successful exploit could allow the attacker to acquire root-level privileges and take full control of the device. Cisco has released software updates that address this vulnerability. There are no workarounds that mitigate this vulnerability.
e4ae2dfca9d374f8966e4b56f815bff245c3dbd3c901e270334f564a1858f374Cisco Security Advisory - A vulnerability in the Cisco Mobility Services Engine (MSE) could allow an unauthenticated, remote attacker to log in to the MSE with the default oracle account. This account does not have full administrator privileges. The vulnerability is due to a user account that has a default and static password. This account is created at installation and cannot be changed or deleted without impacting the functionality of the system. An attacker could exploit this vulnerability by remotely connecting to the affected system via SSH using this account. A successful exploit could allow the attacker to log in to the MSE using the default oracle account. Cisco has released software updates that address this vulnerability. A workaround that mitigates this vulnerability is available.
ca264789af643a26820dace5a09aa6101af15aac89db5f067a24976a43237364Cisco Security Advisory - A vulnerability in the anti-spam scanner of Cisco AsyncOS for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the anti-spam functionality of the ESA. The vulnerability is due to improper error handling of a malformed packet in the anti-spam scanner. An attacker could exploit this vulnerability by sending a crafted DNS Sender Policy Framework (SPF) text record. A successful exploit could allow the attacker to bypass the anti-spam scanner and generate a malformed packet alert. Cisco has released software updates that address this vulnerability. There are no workarounds that mitigate this vulnerability.
04792a2b425ec2b1a11b8ca2deabf0a4ad7402e2c7458a4e4df4da38129ba17cCisco Security Advisory - A vulnerability in the email message filtering feature of Cisco AsyncOS for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause an ESA device to become unavailable due to a denial of service (DoS) condition. The vulnerability is due to improper input validation when an email attachment contains corrupted fields and is filtered by the ESA. An attacker could exploit this vulnerability by sending a crafted email with an attachment to the ESA. A successful exploit could allow the attacker to cause a DoS condition. While the attachment is being filtered, memory is consumed at at high rate until the filtering process restarts. When the process restarts, it will resume processing the same malformed attachment and the DoS condition will continue. Cisco has released software updates that address this vulnerability. There are no workarounds that mitigate this vulnerability.
3dda53af72c73d9da62402d9a113557bcf8b27f6227a95ca7fd42374418177beCisco Security Advisory - A vulnerability in the file-range request functionality of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an appliance because the appliance runs out of system memory. The vulnerability is due to a failure to free memory when a file range is requested through the Cisco WSA. An attacker could exploit this vulnerability by opening multiple connections that request file ranges through the WSA. A successful exploit could allow the attacker to cause the WSA to stop passing traffic when enough memory is used and not freed. Cisco has released software updates that address this vulnerability. A workaround that mitigates this vulnerability is also available.
6c9ce682d80703e84a4b43287be62577d651594c796bea0c6d54ec386cd5c534Cisco Security Advisory - A vulnerability in the proxy cache functionality of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the device runs out of system memory. The vulnerability is due to improper memory operations by the affected software. The software fails to free a memory object when it retrieves data from the proxy server cache to terminate a TCP connection. An attacker could exploit this vulnerability by opening many proxy connections through the WSA. An exploit could allow the attacker to cause the WSA to stop passing traffic when enough memory is leaked. Cisco has released software updates that address this vulnerability. A workaround that mitigates this vulnerability is also available.
55c19fe8099d1668813b41bbce2a581c538c4ae3bc714c1feee971281e8fc499Cisco Security Advisory - A vulnerability in the network stack of Cisco AsyncOS for Cisco Email Security Appliance (ESA), Cisco Content Security Management Appliance (SMA) and Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to exhaust all available memory, preventing the affected device from accepting new TCP connections. The vulnerability is due to improper handling of TCP packets sent at a high rate. An attacker could exploit this vulnerability by sending crafted TCP packets to the affected system. Note: A full device reload is needed to recover the system to an operational state.
96a0e3ec2c0798960635b78f767b80fd89f3135fd9dd8bd49f5167edee58baceCisco Security Advisory - A vulnerability in the Internet Key Exchange (IKE) version 1 (v1) code of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause an affected system to reload. The vulnerability is due to improper handling of Internet Security Association and Key Management Protocol (ISAKMP) packets. An attacker could exploit this vulnerability by sending crafted UDP packets to the affected system. A successful exploit could allow the attacker to cause an affected system to reload.
7d4c5d946c180d7db530886cb28a882fa6b9283d15f09d4167f604144f2962a9Cisco Security Advisory - A vulnerability in the DNS code of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause an affected system to reload. The vulnerability is due to improper processing of DNS packets. An attacker could exploit this vulnerability by sending a request to an affected Cisco ASA appliance to cause it to generate a DNS request packet. The attacker would need to spoof the reply packet with a crafted DNS response.
5ee7857505fa994098c9c9e4ce490ca05c88b03d2bf0c2ad43f540c2734e5f58Cisco Security Advisory - A vulnerability in the DHCPv6 relay feature of Cisco Adaptive Security Appliance (ASA) software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to insufficient validation of DHCPv6 packets. Cisco ASA Software is affected by this vulnerability only if the software is configured with the DHCPv6 relay feature. An attacker could exploit this vulnerability by sending crafted DHCPv6 packets to an affected device.
3f9de37e2bd0d6154ff3b114a4806263fcf7f098d579b9784472780cdab25a3cCisco Security Advisory - A vulnerability in the DHCPv6 relay feature of Cisco Adaptive Security Appliance (ASA) software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to insufficient validation of DHCPv6 packets. Cisco ASA Software is affected by this vulnerability only if the software is configured with the DHCPv6 relay feature. An attacker could exploit this vulnerability by sending crafted DHCPv6 packets to an affected device.
3cc98d2dc398f7a9e51ff5963ef2b4bfe4df15fb4b805490adacbb8b168d210cCisco Security Advisory - Multiple Cisco products incorporate a version of the ntpd package. Versions of this package are affected by one or more vulnerabilities that could allow an unauthenticated, remote attacker to create a denial of service (DoS) condition or modify the time being advertised by a device acting as a network time protocol (NTP) server. On October 21st, 2015, NTP.org released a security advisory detailing 13 issues regarding multiple DoS vulnerabilities, information disclosure vulnerabilities, and logic issues that may result in an attacker gaining the ability to modify an NTP server's advertised time.
6ebc284ba57243b45f2bce8db6f2a2f67c881ca4c1e93c7fa6a8b5eff989e55aCisco Security Advisory - A vulnerability in the processing of IPv4 packets that require Network Address Translation (NAT) and Multiprotocol Label Switching (MPLS) services of Cisco IOS XE Software for Cisco ASR 1000 Series, Cisco ISR 4300 Series, Cisco ISR 4400 Series, and Cisco Cloud Services 1000v Series Routers could allow an unauthenticated, remote attacker to cause a reload of the affected device. The vulnerability is due to improper processing of IPv4 packets that require NAT and MPLS processing. An attacker could exploit this vulnerability by sending an IPv4 packet to be processed by a Cisco IOS XE device configured to perform NAT and MPLS services. A successful exploit could allow the attacker to cause a reload of the affected device. Cisco has released software updates that address these vulnerabilities. There are no workarounds to mitigate this vulnerability.
426911a2340b77ce46c2ba99fd3f3b7030de0d1d02a5d5585ee5a5138cc0f294Cisco Security Advisory - A vulnerability in the SSH version 2 (SSHv2) protocol implementation of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to bypass user authentication. Successful exploitation could allow the attacker to log in with the privileges of the user or the privileges configured for the Virtual Teletype (VTY) line. Depending on the configuration of the user and of the vty line, the attacker may obtain administrative privileges on the system. The attacker cannot use this vulnerability to elevate privileges. The attacker must know a valid username configured for RSA-based user authentication and the public key configured for that user to exploit this vulnerability. This vulnerability affects only devices configured for public key authentication method, also known as RSA-based user authentication feature. Cisco has released software updates that address this vulnerability. Workarounds for this vulnerability are not available; however administrators could temporarily disable RSA-based user authentication to avoid exploitation.
6bb5a45a2fbd512ed3aa4d90ff71881a50ad9af02083391db8eaf255a2cc93bbCisco Security Advisory - Two vulnerabilities in the IPv6 first hop security feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. Cisco has released software updates that address these vulnerabilities. There are no workarounds to mitigate these vulnerabilities.
e1f2da6fedc66d63bb64c173c44f2ac66b96073b0f040599afe50fd556f7059aCisco Security Advisory - Cisco TelePresence Server contains a buffer overflow vulnerability in the Conference Control Protocol API that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. Cisco has released software updates that address this vulnerability. No workarounds that mitigate this vulnerability are available.
bac9daba4b8d9bd57593f1f8a8f4bfc66fd04b0a66b8c836ece70d3f7b0d32c2
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