HIGH 7.8 Microsoft
CVE-2021-3999
A flaw was found in glibc. An off-by-one buffer overflow and underflow in getcwd() may lead to memory corruption when the size of the buffer is exactly 1. A local attacker who can control the input buffer and size passed to getcwd() in a setuid program could use this flaw to potentially execute arbitrary code and escalate their privileges on the system.
Microsoft Security Update 2022-Aug: A flaw was found in glibc. An off-by-one buffer overflow and underflow in getcwd() may lead to memory corruption when the size of the buffer is exactly 1. A local attacker who can control the input buffer and size passed to getcwd() in a setuid program could use this flaw to potentially execute arbitrary code and escalate their privileges on the system.
Affected Products
- cm1 glibc 2.28-24 on CBL Mariner 1.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-3999
- https://nvd.nist.gov/vuln/detail/CVE-2021-3999
This high severity vulnerability with a CVSS score of 7.8 was published on 2022-08-09 via Microsoft. Affected: cm1 glibc 2.28-24 on CBL Mariner 1.0.
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