CVE-2023-0687

published 2023-02-06

CVE-2023-0687: 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…

Priority P3 53 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

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 the running application that is built with gmon enabled. It's basically trusted input or input that needs an actual security flaw to be compromised or controlled.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
gnu	c_library	—	—
gnu	glibc	< 2.38	2.38
msrc	cbl2_glibc_2.35-7_on_cbl_mariner_2.0	—	—
msrc	cm1_glibc_2.28-24_on_cbl_mariner_1.0	—	—

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 4.0 MEDIUM AV:A/AC:H/Au:S/C:P/I:P/A:P

vendor_msrc 4.6 MEDIUM

vendor_redhat 4.6 MEDIUM

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CWE-120