Denial of Service Vulnerability in GNU C Library by Vendor
CVE-2015-20109

5.5MEDIUM

Key Information:

Vendor

Gnu
Status
Glibc
Vendor
CVE Published:
25 June 2023

What is CVE-2015-20109?

The GNU C Library (glibc), specifically the end_pattern function invoked from internal_fnmatch, is susceptible to a vulnerability that allows context-dependent attackers to trigger a denial of service. This can be achieved through the fnmatch library function using specific patterns, such as **(!(). This issue has been misidentified in relation to another reported vulnerability (CVE-2015-8984), and while some Linux distributions may have addressed the latter, they may not have resolved this additional fnmatch-related issue, potentially exposing systems to application crashes.

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References

https://sourceware.org/bugzilla/show_bug.cgi?id=18036
https://security.netapp.com/advisory/ntap-20230731-0009/

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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