Buffer Overflow Vulnerability in GNU C Library's sunrpc Module
CVE-2022-23219

9.8CRITICAL

Key Information:

Vendor
Gnu
Status
Glibc
Vendor
CVE Published:
14 January 2022

Summary

The deprecated clnt_create function within the sunrpc module of the GNU C Library fails to validate the length of the hostname argument, leading to a potential buffer overflow. This vulnerability can cause a denial of service or, if the application lacks a stack protector, may allow for arbitrary code execution by attackers. It highlights the importance of using secure coding practices and the need to promptly update affected libraries to mitigate risks.

References

https://www.oracle.com/security-alerts/cpujul2022.html
https://sourceware.org/bugzilla/show_bug.cgi?id=22542
https://security.gentoo.org/glsa/202208-24
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.