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Ubuntu Security Notice USN-3507-2
Posted Dec 9, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3507-2 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12193, CVE-2017-15299, CVE-2017-15306, CVE-2017-15951, CVE-2017-16939
MD5 | e4e9ca45d6a9e4cece95a15bfca16c42
Ubuntu Security Notice USN-3511-1
Posted Dec 9, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3511-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-16939
MD5 | 9e7a4f198355b4645387c08f75f34134
Ubuntu Security Notice USN-3510-2
Posted Dec 9, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3510-2 - USN-3510-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-16939
MD5 | a759e1476a777349ca39f619d2d7e469
Ubuntu Security Notice USN-3510-1
Posted Dec 9, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3510-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-16939
MD5 | c760dcb9902f64f23bb4e67232a51fbb
Ubuntu Security Notice USN-3509-2
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3509-2 - USN-3509-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12193, CVE-2017-16643, CVE-2017-16939
MD5 | 9992cce2660b19d70d3414673f02ab80
Ubuntu Security Notice USN-3509-1
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3509-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12193, CVE-2017-16643, CVE-2017-16939
MD5 | ecebac920cb50284c6fd809011424590
Ubuntu Security Notice USN-3508-2
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3508-2 - USN-3508-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12146, CVE-2017-16939
MD5 | bc816d54ebe529dd5225953bb2b33b51
Ubuntu Security Notice USN-3508-1
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3508-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12146, CVE-2017-16939
MD5 | 61ffeaad7d5d235842725a3fe5d4f465
Ubuntu Security Notice USN-3507-1
Posted Dec 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3507-1 - Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the Linux kernel did not properly handle copy-on- write of transparent huge pages. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000405, CVE-2017-12193, CVE-2017-15299, CVE-2017-15306, CVE-2017-15951, CVE-2017-16535, CVE-2017-16643, CVE-2017-16939
MD5 | ee6c4d967ff24654f431006a52b99e57
Ubuntu Security Notice USN-3504-1
Posted Dec 5, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3504-1 - Wei Lei discovered that libxml2 incorrectly handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2017-16932
MD5 | d91e527dde8befa7059434fa3b97b541
Ubuntu Security Notice USN-3504-2
Posted Dec 5, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3504-2 - USN-3504-1 fixed a vulnerability in libxml2. This update provides the corresponding update for Ubuntu 12.04 ESM. Wei Lei discovered that libxml2 incorrecty handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2017-16932
MD5 | ac546ea4fe8b36423b1f4cf2d396fb07
Red Hat Security Advisory 2017-3384-01
Posted Dec 5, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-3384-01 - Liblouis is an open source braille translator and back-translator named in honor of Louis Braille. It features support for computer and literary braille, supports contracted and uncontracted translation for many languages and has support for hyphenation. New languages can easily be added through tables that support a rule or dictionary based approach. Liblouis also supports math braille. Security Fix: A missing fix for one stack-based buffer overflow in findTable() for CVE-2014-8184 was discovered. An attacker could cause denial of service or potentially allow arbitrary code execution.

tags | advisory, denial of service, overflow, arbitrary, code execution
systems | linux, redhat
advisories | CVE-2017-15101
MD5 | 6b1c4e7910732ff3e19aab6c052d649f
Ubuntu Security Notice USN-3498-2
Posted Dec 4, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3498-2 - USN-3498-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that curl incorrectly handled FTP wildcard matching. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive information. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-8817
MD5 | 26d30b6c5e75b0330e6d2d9aa3568ea6
Ubuntu Security Notice USN-3490-1
Posted Dec 1, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3490-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing-like context, an attacker could potentially exploit these to bypass same-origin restrictions, cause a denial of service via application crash, or execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-7826, CVE-2017-7828, CVE-2017-7830
MD5 | c76bb02f347dde049641240fde17791e
Ubuntu Security Notice USN-3477-3
Posted Dec 1, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3477-3 - USN-3477-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, read uninitialized memory, obtain sensitive information, bypass same-origin restrictions, bypass CSP protections, bypass mixed content blocking, spoof the addressbar, or execute arbitrary code. It was discovered that javascript: URLs pasted in to the addressbar would be executed instead of being blocked in some circumstances. If a user were tricked in to copying a specially crafted URL in to the addressbar, an attacker could potentially exploit this to conduct cross-site scripting attacks. It was discovered that exported bookmarks do not strip script elements from user-supplied tags. If a user were tricked in to adding specially crafted tags to bookmarks, exporting them and then opening the resulting HTML file, an attacker could potentially exploit this to conduct cross-site scripting attacks. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, spoof, javascript, vulnerability, xss
systems | linux, ubuntu
advisories | CVE-2017-7828, CVE-2017-7830, CVE-2017-7831, CVE-2017-7832, CVE-2017-7833, CVE-2017-7834, CVE-2017-7835, CVE-2017-7837, CVE-2017-7838, CVE-2017-7839, CVE-2017-7840, CVE-2017-7842
MD5 | 998ce8623ace567ce271665c533d0819
Cisco WebEx Network Recording Player DoS / Code Execution
Posted Dec 1, 2017
Authored by Cisco Systems | Site cisco.com

Cisco has released an advisory detailing code execution, out of bounds, and denial of service vulnerabilities in the WebEx Network Recording Player.

tags | advisory, denial of service, vulnerability, code execution
systems | cisco
advisories | CVE-2017-12367, CVE-2017-12368, CVE-2017-12369, CVE-2017-12370, CVE-2017-12371, CVE-2017-12372
MD5 | c233dabd1d7ffe8721215530840fdb53
Red Hat Security Advisory 2017-3354-01
Posted Nov 30, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-3354-01 - Red Hat JBoss BRMS is a business rules management system for the management, storage, creation, modification, and deployment of JBoss Rules. This release of Red Hat JBoss BRMS 6.4.7 serves as a replacement for Red Hat JBoss BRMS 6.4.6, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix: A denial of service vulnerability was discovered in ZooKeeper which allows an attacker to dramatically increase CPU utilization by abusing "wchp/wchc" commands, leading to the server being unable to serve legitimate requests.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2017-5637, CVE-2017-7545
MD5 | bea03200b017702d57bd806e0f75bde3
Debian Security Advisory 4050-1
Posted Nov 29, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4050-1 - Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, information leaks, privilege escalation or the execution of arbitrary code.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, debian
advisories | CVE-2017-14316, CVE-2017-14317, CVE-2017-14318, CVE-2017-14319, CVE-2017-15588, CVE-2017-15589, CVE-2017-15590, CVE-2017-15592, CVE-2017-15593, CVE-2017-15594, CVE-2017-15595, CVE-2017-15597
MD5 | 412df3dde45b3de5f7c25b9cd59d6b2e
Kernel Live Patch Security Notice LSN-0032-2
Posted Nov 29, 2017
Authored by Benjamin M. Romer

Anthony Perard discovered that the Xen virtual block driver did not properly initialize some data structures before passing them to user space. A local attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. Bo Zhang discovered that the netlink wireless configuration interface in the Linux kernel did not properly validate attributes when handling certain requests. A local attacker with the CAP_NET_ADMIN could use this to cause a denial of service (system crash). It was discovered that the nested KVM implementation in the Linux kernel in some situations did not properly prevent second level guests from reading and writing the hardware CR8 register. A local attacker in a guest could use this to cause a denial of service (system crash). Otto Ebeling discovered that the memory manager in the Linux kernel did not properly check the effective UID in some situations. A local attacker could use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux
advisories | CVE-2017-10911, CVE-2017-12153, CVE-2017-12154, CVE-2017-14140
MD5 | 7da09c1aeaae77a18335cfc81f24b94c
Asterisk 13.17.2~dfsg-2 Memory Exhaustion
Posted Nov 29, 2017
Authored by Juan Sacco

Asterisk version 13.17.2~dfsg-2 suffers from a remote unauthenticated memory exhaustion vulnerability.

tags | exploit, remote, denial of service
MD5 | 359301b570dd73a9d68c81fd132e7f30
Ubuntu Security Notice USN-3499-1
Posted Nov 29, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3499-1 - It was discovered that Exim incorrectly handled certain BDAT data headers. A remote attacker could possibly use this issue to cause Exim to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-16944
MD5 | 76413a0a0b86941ed4c9ab6ea5adcb1a
Ubuntu Security Notice USN-3501-1
Posted Nov 29, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3501-1 - It was discovered that libxcursor incorrectly handled certain files. An attacker could use these issues to cause libxcursor to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-16612
MD5 | dcb5463838fcb70c44bb92e443ba7eea
Ubuntu Security Notice USN-3498-1
Posted Nov 29, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3498-1 - Alex Nichols discovered that curl incorrectly handled NTLM authentication credentials. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 17.04 and Ubuntu 17.10. It was discovered that curl incorrectly handled FTP wildcard matching. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive information. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-8816, CVE-2017-8817
MD5 | 41cead7dc230ab023b565d109b9d6985
Ubuntu Security Notice USN-3497-1
Posted Nov 29, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3497-1 - It was discovered that the Smart Card IO subsystem in OpenJDK did not properly maintain state. An attacker could use this to specially construct an untrusted Java application or applet to gain access to a smart card, bypassing sandbox restrictions. Gaston Traberg discovered that the Serialization component of OpenJDK did not properly limit the amount of memory allocated when performing deserializations. An attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, java, denial of service
systems | linux, ubuntu
advisories | CVE-2017-10274, CVE-2017-10281, CVE-2017-10285, CVE-2017-10295, CVE-2017-10345, CVE-2017-10346, CVE-2017-10347, CVE-2017-10348, CVE-2017-10349, CVE-2017-10350, CVE-2017-10355, CVE-2017-10356, CVE-2017-10357, CVE-2017-10388
MD5 | 8d8eb129033011bab0cea2ab92f4f64c
Red Hat Security Advisory 2017-3270-01
Posted Nov 28, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-3270-01 - The Apache Portable Runtime is a portability library used by the Apache HTTP Server and other projects. It provides a free library of C data structures and routines. Security Fix: An out-of-bounds array dereference was found in apr_time_exp_get(). An attacker could abuse an unvalidated usage of this function to cause a denial of service or potentially lead to data leak.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2017-12613
MD5 | ba5b34282d65f0cfd7c5265748650a28
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