Buffer Overflow Vulnerability in GNU C Library Affects Call Graph Monitor Functionality
CVE-2023-0687

4.6MEDIUM

Key Information:

Vendor

Gnu
Status
C Library
Vendor
CVE Published:
6 February 2023

What is CVE-2023-0687?

A buffer overflow vulnerability has been identified in the GNU C Library version 2.38, specifically within the __monstartup function of the Call Graph Monitor component. This vulnerability may occur when handling inputs that are addresses originating from applications built with gmon enabled. While the inputs are generally considered trusted, the potential for exploitation exists if a security flaw is present in the application. It is advisable to implement the patch offered to mitigate this risk.

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Affected Version(s)

C Library 2.38

References

https://vuldb.com/?id.220246
https://vuldb.com/?ctiid.220246
https://sourceware.org/bugzilla/show_bug.cgi?id=29444

CVSS V3.1

Score:
4.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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