Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not properly handle the removal of stateful expressions in some situations, leading to a use-after-free vulnerability. Ziming Zhang discovered that the netfilter subsystem in the Linux kernel did not properly validate sets with multiple ranged fields. It was discovered that the implementation of POSIX timers in the Linux kernel did not properly clean up timers in some situations. Various other vulnerabilities were also discovered.
05867268c3cb4a38f1e83386efef57668577cf6a6daf5f223e85f17b2010f8e2Red Hat Security Advisory 2022-0896-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a buffer overflow vulnerability.
94618bd1923ee16e9583843b26014c8d1ab90b9651bcd564e5b4ba54a6d69eefRed Hat Security Advisory 2021-4358-03 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a use-after-free vulnerability.
16dc38d5ed172ddc59367e5e6576ecbccd33c10e1ecf8067de90c8efc671ea91Red Hat Security Advisory 2021-3315-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a buffer overflow vulnerability.
d8b0fd5d91f75085817be3fa427135ce7dc03a86a7f7db61d372bea0b8dc1b67Red Hat Security Advisory 2021-2998-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a buffer overflow vulnerability.
f7fbd1ef46d16b5fecfa79230fbbc15a0895a7ad0c1c0046d498521d421355d0Red Hat Security Advisory 2021-2813-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a buffer overflow vulnerability.
6e2f08f13b0c0650452f1425202f7cd20cc874085bbe98b1854221c5da493431Red Hat Security Advisory 2021-1585-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a buffer over-read vulnerability.
7af8433f99ee9ccb11d01bf9304070a6478ae2e39b94a2a4c098bf8fabd749f0Ubuntu Security Notice 4954-1 - Jason Royes and Samuel Dytrych discovered that the memcpy implementation for 32 bit ARM processors in the GNU C Library contained an integer underflow vulnerability. An attacker could possibly use this to cause a denial of service or execute arbitrary code. It was discovered that the POSIX regex implementation in the GNU C Library did not properly parse alternatives. An attacker could use this to cause a denial of service. Various other issues were also addressed.
0d97bdfb094448b62a9b461045f71712af4a4388f17038f2bff95ef14f66f9a8This Metasploit module exploits an OS command injection vulnerability in includes/components/nxti/index.php that enables an authenticated user with admin privileges to achieve remote code execution as the apache user. Valid credentials for a Nagios XI admin user are required. This module has been successfully tested against Nagios XI 5.7.3 running on CentOS 7.
02c732ecdeb46edeb55c3d07feeea7f934380ef9d317001de2070079b9dae17dThis Metasploit module exploits a command injection vulnerability in the /admin/monitoringplugins.php page of Nagios XI versions prior to 5.8.0 when uploading plugins. Successful exploitation allows an authenticated admin user to achieve remote code execution as the apache user by uploading a malicious plugin. Valid credentials for a Nagios XI admin user are required. This module has been successfully tested against Nagios versions XI 5.3.0 and 5.7.5, both running on CentOS 7.
1c6d22c62a86e7b5f3dedccebd30589cc4a30d490a6e2f222d47174bbda1bf57This Metasploit module exploits a vulnerability in the getprofile.sh script of Nagios XI versions prior to 5.6.6 in order to upload a malicious check_ping plugin and thereby execute arbitrary commands. For Nagios XI 5.2.0 through 5.4.13, the commands are run as the nagios user. For versions 5.5.0 through 5.6.5, the commands are run as root. Note that versions prior to 5.2.0 will still be marked as being vulnerable however this module does not presently support exploiting these targets. The module uploads a malicious check_ping plugin to the Nagios XI server via /admin/monitoringplugins.php and then executes this plugin by issuing a HTTP GET request to download a system profile from the server. For all supported targets except Linux (cmd), the module uses a command stager to write the exploit to the target via the malicious plugin. This may not work if Nagios XI is running in a restricted Unix environment, so in that case the target must be set to Linux (cmd). The module then writes the payload to the malicious plugin while avoiding commands that may not be supported. Valid credentials for a user with administrative privileges are required. This module was successfully tested on Nagios XI 5.3.0 and Nagios 5.6.5, both running on CentOS 7. For vulnerable versions before 5.5.0, it may take a significant amount of time for the payload to get back (up to 5 minutes). If exploitation fails against an older system, it is recommended to increase the WfsDelay setting (default is 300 seconds).
e333bc1f3434e1dcf5429b3717a70090c1f771194a0104e33385aa561adb6f05Red Hat Security Advisory 2021-0348-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include buffer over-read and buffer overflow vulnerabilities.
cef81ff8ec4257da6fdec58d2191db6724579fef2efd89b47732b8c23ece742aRed Hat Security Advisory 2020-5351-01 - KornShell is a Unix shell developed by AT&T Bell Laboratories, which is backward-compatible with the Bourne shell and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard.
d01e435eb049222a5e9c647d82b2617a240ba72ada4c072e36979a234b1d5095Red Hat Security Advisory 2020-5352-01 - KornShell is a Unix shell developed by AT&T Bell Laboratories, which is backward-compatible with the Bourne shell and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard.
97941d426bc52f5dfa03abf40264a65a805aa3931d34f78c4e9052bf6a679574Red Hat Security Advisory 2020-4444-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a use-after-free vulnerability.
37cad4f15ed87aa0f841fe0fb1f9b66f9b1c76d5c5a9b57f07addf4008ac6b9eRed Hat Security Advisory 2020-3861-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly.
050e385775d17b4f4722486aa5f1e9ec5ab20fc7759045295d95e981569db327Red Hat Security Advisory 2020-2210-01 - KornShell is a Unix shell which is backward-compatible with the Bourne shell and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard. A code injection vulnerability has been addressed.
85778f72ae62371bd221f5640a7c707bf70178faaf417114e0402a1da7603aaaRed Hat Security Advisory 2020-1828-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly.
859d2cdad2897f6735be6cfb11a58a419b5d1a78e28f5daa57d40626030dfe9eRed Hat Security Advisory 2020-1333-01 - KornShell is a Unix shell developed by AT+T Bell Laboratories, which is backward-compatible with the Bourne shell and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard. A code injection vulnerability has been addressed.
96a067fecec2836eda0cd5e4a2232e9531620efb5ceff259de1c772e98d0635dRed Hat Security Advisory 2020-1332-01 - KornShell is a Unix shell developed by AT+T Bell Laboratories, which is backward-compatible with the Bourne shell and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard. A code injection vulnerability has been addressed.
e5c75d600477e9b087450bb8699274001aaf564423f0cf307cdd74fd71e23e04This Metasploit module exploits a vulnerability in Nagios XI versions before 5.6.6 in order to execute arbitrary commands as root. The module uploads a malicious plugin to the Nagios XI server and then executes this plugin by issuing an HTTP GET request to download a system profile from the server. For all supported targets except Linux (cmd), the module uses a command stager to write the exploit to the target via the malicious plugin. This may not work if Nagios XI is running in a restricted Unix environment, so in that case the target must be set to Linux (cmd). The module then writes the payload to the malicious plugin while avoiding commands that may not be supported. Valid credentials for a user with administrative privileges are required. This module was successfully tested on Nagios XI 5.6.5 running on CentOS 7. The module may behave differently against older versions of Nagios XI.
ff7c4c4f60a8d9d91f4dea43c87e96d04fac8cbc379e059ccb3fb23c944c18abRed Hat Security Advisory 2020-0568-01 - KornShell is a Unix shell developed by AT&T Bell Laboratories, which is backward-compatible with the Bourne shell and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard. A code injection vulnerability was addressed.
5de0bbb6699431ef7e8cbd8a14c69a7099f6565c7ff8b2acdd2da3274058a2e7Red Hat Security Advisory 2020-0559-01 - KornShell is a Unix shell developed by AT&T Bell Laboratories, which is backward-compatible with the Bourne shell and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard. A code injection vulnerability was addressed.
64c17b647c891f788aefe5d1afd7b9c7671a05ebe40337091ae8e25e9ed73e93Red Hat Security Advisory 2020-0515-01 - KornShell is a Unix shell developed by AT&T Bell Laboratories, which is backward-compatible with the Bourne shell and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard. A code injection vulnerability has been addressed.
2165f36718e13869f3c15d9471d466b6a7d8f240f4aa6561f69327fe3404ab3eRed Hat Security Advisory 2020-0431-01 - KornShell is a Unix shell developed by AT&T Bell Laboratories, which is backward-compatible with the Bourne shell and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard. A code injection vulnerability has been addressed.
3f802c294b8f8fddd40b350160f80dee7808cfc53835bb711f47c188bc802448
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