CVE-2023-0687 — Classic Buffer Overflow in C Library

CWE-120 — Classic Buffer Overflow5 documents5 sources
Severity
9.8CRITICALNVD
CNA4.6
EPSS
0.1%
top 81.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
GNU GlibcGNU C Library
Timeline
PublishedFeb 6
Latest updateFeb 14

Description

A vulnerability was found in GNU C Library 2.38. It has been declared as critical. This vulnerability affects the function __monstartup of the file gmon.c of the component Call Graph Monitor. The manipulation leads to buffer overflow. It is recommended to apply a patch to fix this issue. VDB-220246 is the identifier assigned to this vulnerability. NOTE: The real existence of this vulnerability is still doubted at the moment. The inputs that induce this vulnerability are basically addresses of th…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5gnu/c_library2.38
▶NVDgnu/glibc< 2.38

Patches

Patch: patchwork.sourceware.org ↗Patch: sourceware.org ↗Patch: patchwork.sourceware.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-5r4p-4pqv-gqhw: A vulnerability was found in GNU C Library 2↗2023-02-06
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CVEList
CVE-2023-0687: A vulnerability was found in GNU C Library 2↗2023-02-06
▶

📋Vendor Advisories

2
Microsoft
A vulnerability was found in GNU C Library 2.38. It has been declared as critical. This vulnerability affects the function __monstartup of the file gmon.c of the component Call Graph Monitor. The mani↗2023-02-14
▶
Red Hat
glibc: gmon memory corruption due wrong calculation of required buffer size↗2023-02-06
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CVE-2023-0687 — Classic Buffer Overflow in C Library | cvebase