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Ubuntu Security Notice USN-4754-2
Posted Feb 26, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4754-2 - USN-4754-1 fixed a vulnerability in Python. The fix for CVE-2021-3177 introduced a regression in Python 2.7. This update reverts the security fix pending further investigation. It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

tags | advisory, denial of service, arbitrary, python
systems | linux, ubuntu
MD5 | c58459cb7018d68bd66024f925f30d8f
Ubuntu Security Notice USN-4754-1
Posted Feb 26, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4754-1 - It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

tags | advisory, denial of service, arbitrary, python
systems | linux, ubuntu
advisories | CVE-2020-27619
MD5 | fcb1f44f76f6b77579ed4d79f1e90403
Ubuntu Security Notice USN-4755-1
Posted Feb 26, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4755-1 - It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-35523
MD5 | ce4c73d9700060bb9e46ed6eac083e16
Ubuntu Security Notice USN-4752-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4752-1 - Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen discovered that legacy pairing and secure-connections pairing authentication in the Bluetooth protocol could allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. A physically proximate attacker could use this to impersonate a previously paired Bluetooth device. Jay Shin discovered that the ext4 file system implementation in the Linux kernel did not properly handle directory access with broken indexing, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2020-10135, CVE-2020-14314, CVE-2020-15436, CVE-2020-15437, CVE-2020-24490, CVE-2020-25212, CVE-2020-25284, CVE-2020-25641, CVE-2020-25643, CVE-2020-25704, CVE-2020-27152, CVE-2020-27815, CVE-2020-28588, CVE-2020-28915, CVE-2020-29368, CVE-2020-29369, CVE-2020-29371, CVE-2020-29660, CVE-2020-29661, CVE-2020-35508
MD5 | 9add7841f0ccf8f64e1da83e75e06c64
Ubuntu Security Notice USN-4751-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4751-1 - It was discovered that the console keyboard driver in the Linux kernel contained a race condition. A local attacker could use this to expose sensitive information. Minh Yuan discovered that the tty driver in the Linux kernel contained race conditions when handling fonts. A local attacker could possibly use this to expose sensitive information. Bodong Zhao discovered a use-after-free in the Sun keyboard driver implementation 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
systems | linux, ubuntu
advisories | CVE-2020-25656, CVE-2020-25668, CVE-2020-25669, CVE-2020-25704, CVE-2020-27673, CVE-2020-27675, CVE-2020-27777, CVE-2020-27815, CVE-2020-27830, CVE-2020-27835, CVE-2020-28588, CVE-2020-28974, CVE-2020-29568, CVE-2020-29569, CVE-2020-29660, CVE-2020-29661, CVE-2020-35508
MD5 | 7bb32fb3e62f03bec71b2c606776cd36
Ubuntu Security Notice USN-4750-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4750-1 - Bodong Zhao discovered a use-after-free in the Sun keyboard driver implementation 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 jfs file system implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to possibly cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-25669, CVE-2020-27815, CVE-2020-28588, CVE-2020-28941, CVE-2020-29568, CVE-2020-29569, CVE-2020-29660, CVE-2020-29661, CVE-2021-20177
MD5 | c85137173facaaae05662060f5c26ad1
Ubuntu Security Notice USN-4749-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4749-1 - Bodong Zhao discovered a use-after-free in the Sun keyboard driver implementation 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 jfs file system implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to possibly cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-25669, CVE-2020-27815, CVE-2020-29374, CVE-2020-29568, CVE-2020-29569, CVE-2020-29660, CVE-2020-29661
MD5 | e814a088294feb0a838a75b2880951cd
Ubuntu Security Notice USN-4748-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4748-1 - It was discovered that the jfs file system implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to possibly cause a denial of service. It was discovered that the memory management subsystem in the Linux kernel did not properly handle copy-on-write operations in some situations. A local attacker could possibly use this to gain unintended write access to read-only memory pages. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-27815, CVE-2020-29374, CVE-2020-29568, CVE-2020-29660, CVE-2020-29661
MD5 | 89dfc2cac6b4f51b038cdb39707b3c65
Ubuntu Security Notice USN-4747-2
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4747-2 - USN-4747-1 fixed a vulnerability in screen. This update provides the corresponding update for Ubuntu 14.04 ESM. Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-26937
MD5 | 51106d68ba3d0aa06c100023b37ce617
Red Hat Security Advisory 2021-0100-01
Posted Feb 25, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0100-01 - The file-integrity-operator image update is now available for OpenShift Container Platform 4.7. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2020-27813
MD5 | 286d2904a77e1e3741904cc0f27d9bfa
Red Hat Security Advisory 2020-5364-01
Posted Feb 25, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5364-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the extra low-latency container images for Red Hat OpenShift Container Platform 4.7. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2018-20843, CVE-2019-13050, CVE-2019-13627, CVE-2019-14889, CVE-2019-15165, CVE-2019-15903, CVE-2019-16168, CVE-2019-16935, CVE-2019-17450, CVE-2019-19221, CVE-2019-19906, CVE-2019-19956, CVE-2019-20218, CVE-2019-20387, CVE-2019-20388, CVE-2019-20454, CVE-2019-20907, CVE-2019-20916, CVE-2019-5018, CVE-2020-10029, CVE-2020-10722, CVE-2020-10723, CVE-2020-10725, CVE-2020-10726, CVE-2020-13630, CVE-2020-13631
MD5 | 35f6c45ae811cbd58927c9acbe34fdc2
Red Hat Security Advisory 2020-5633-01
Posted Feb 25, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5633-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.7.0. Issues addressed include bypass, denial of service, integer overflow, man-in-the-middle, and memory leak vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2018-10103, CVE-2018-10105, CVE-2018-14461, CVE-2018-14462, CVE-2018-14463, CVE-2018-14464, CVE-2018-14465, CVE-2018-14466, CVE-2018-14467, CVE-2018-14468, CVE-2018-14469, CVE-2018-14470, CVE-2018-14553, CVE-2018-14879, CVE-2018-14880, CVE-2018-14881, CVE-2018-14882, CVE-2018-16227, CVE-2018-16228, CVE-2018-16229, CVE-2018-16230, CVE-2018-16300, CVE-2018-16451, CVE-2018-16452, CVE-2018-20843, CVE-2019-11068
MD5 | 99f6141d35c9e0f0ab88556e5b843ef3
Ubuntu Security Notice USN-4698-2
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4698-2 - USN-4698-1 fixed vulnerabilities in Dnsmasq. The updates introduced regressions in certain environments related to issues with multiple queries, and issues with retries. This update fixes the problem. Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly handled memory when sorting RRsets. A remote attacker could use this issue to cause Dnsmasq to hang, resulting in a denial of service, or possibly execute arbitrary code. Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly handled extracting certain names. A remote attacker could use this issue to cause Dnsmasq to hang, resulting in a denial of service, or possibly execute arbitrary code. Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly implemented address/port checks. A remote attacker could use this issue to perform a cache poisoning attack. Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly implemented query resource name checks. A remote attacker could use this issue to perform a cache poisoning attack. Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly handled multiple query requests for the same resource name. A remote attacker could use this issue to perform a cache poisoning attack. It was discovered that Dnsmasq incorrectly handled memory during DHCP response creation. A remote attacker could possibly use this issue to cause Dnsmasq to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-14834, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686
MD5 | d9480652e5dc691b11f3f1725a0b37f0
Ubuntu Security Notice USN-4746-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4746-1 - Tavis Ormandy discovered that xterm incorrectly handled certain character sequences. A remote attacker could use this issue to cause xterm to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-27135
MD5 | 019fb5c1e160e7e47bdc8cabc31aac80
Ubuntu Security Notice USN-4747-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4747-1 - Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-26937
MD5 | c88959542941690d285357a3da9b35eb
Ubuntu Security Notice USN-4745-1
Posted Feb 24, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4745-1 - David Benjamin discovered that OpenSSL incorrectly handled comparing certificates containing a EDIPartyName name type. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. Tavis Ormandy discovered that OpenSSL incorrectly handled parsing issuer fields. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-1971, CVE-2021-23841
MD5 | 1a7f63d15153eb9e27d7797b79124c6a
Backdoor.Win32.Agent.xw Denial Of Service / Null Pointer
Posted Feb 24, 2021
Authored by malvuln | Site malvuln.com

Backdoor.Win32.Agent.xw malware suffers from denial of service and null pointer vulnerabilities.

tags | exploit, denial of service, vulnerability
systems | windows
MD5 | 133af23d67b6f241199602c300eaa495
SpotAuditor 5.3.5 Denial Of Service
Posted Feb 23, 2021
Authored by Sinem Sahin

SpotAuditor version 5.3.5 suffers from a denial of service vulnerability.

tags | exploit, denial of service
MD5 | 6af369cf6cb1d22462a83724fe72b540
Ubuntu Security Notice USN-4467-3
Posted Feb 23, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4467-3 - USN-4467-1 fixed vulnerabilities in QEMU. The fix for CVE-2020-13754 introduced a regression in certain environments. This update fixes the problem. Ren Ding, Hanqing Zhao, Alexander Bulekov, and Anatoly Trosinenko discovered that the QEMU incorrectly handled certain msi-x mmio operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2020-13754
MD5 | a7e31c1e96f7d9b05feefaa9025c72ab
Product Key Explorer 4.2.7 Denial Of Service
Posted Feb 23, 2021
Authored by Sinem Sahin

Product Key Explorer version 4.2.7 suffers from a denial of service vulnerability.

tags | exploit, denial of service
MD5 | 4bab1d47da45bed88c8ff9e6ff883337
Ubuntu Security Notice USN-4744-1
Posted Feb 22, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4744-1 - Pasi Saarinen discovered that OpenLDAP incorrectly handled certain short timestamps. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2021-27212
MD5 | 4c2ceedf78dd16293395750597aaf133
Ubuntu Security Notice USN-4743-1
Posted Feb 22, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4743-1 - It was discovered that the GDK-PixBuf library did not properly handle certain GIF images. If an user or automated system were tricked into opening a specially crafted GIF file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2021-20240
MD5 | 6f52348108b149927c94f10db41bea74
Trojan-Proxy.Win32.Daemonize.i Denial Of Service
Posted Feb 21, 2021
Authored by malvuln | Site malvuln.com

Trojan-Proxy.Win32.Daemonize.i malware suffers from a denial of service vulnerability.

tags | exploit, denial of service, trojan
systems | windows
MD5 | 0543f0e49422f6ff16be36b260dba3c0
Ubuntu Security Notice USN-4739-1
Posted Feb 18, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4739-1 - A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2020-13558
MD5 | a5feb8fa066d0c3a1865f6e0f2147384
Ubuntu Security Notice USN-4738-1
Posted Feb 18, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4738-1 - Paul Kehrer discovered that OpenSSL incorrectly handled certain input lengths in EVP functions. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. Tavis Ormandy discovered that OpenSSL incorrectly handled parsing issuer fields. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2021-23840, CVE-2021-23841
MD5 | ddd35a00ee36d9b3807f0f94e460031e
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