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CVE-2015-20109

Status Candidate

Overview

end_pattern (called from internal_fnmatch) in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash), as demonstrated by use of the fnmatch library function with the **(!() pattern. NOTE: this is not the same as CVE-2015-8984; also, some Linux distributions have fixed CVE-2015-8984 but have not fixed this additional fnmatch issue.

Related Files

Ubuntu Security Notice USN-6762-1
Posted May 3, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6762-1 - It was discovered that GNU C Library incorrectly handled netgroup requests. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. It was discovered that GNU C Library might allow context-dependent attackers to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. It was discovered that GNU C Library when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution. This issue only affected Ubuntu 14.04 LTS.

tags | advisory, denial of service, overflow, arbitrary, code execution
systems | linux, ubuntu
advisories | CVE-2014-9984, CVE-2015-20109, CVE-2018-11236, CVE-2021-3999, CVE-2024-2961
SHA-256 | d27b3448167b5f41fb5b2319186a2bc0ba48401c34db2d5404f8fbe2f1e1273a
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