Vulnerability Details : CVE-2015-8984
The fnmatch function in the GNU C Library (aka glibc or libc6) before 2.22 might allow context-dependent attackers to cause a denial of service (application crash) via a malformed pattern, which triggers an out-of-bounds read.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2015-8984
Probability of exploitation activity in the next 30 days: 0.55%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 74 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2015-8984
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2015-8984
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-8984
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https://sourceware.org/bugzilla/show_bug.cgi?id=18032
18032 – (CVE-2015-8984) buffer overflow (read past end of buffer) in internal_fnmatch (CVE-2015-8984)Issue Tracking;Patch
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http://www.openwall.com/lists/oss-security/2015/02/26/5
oss-security - CVE request: glibc: potential application crash due to overread in fnmatchMailing List;Patch;Third Party Advisory
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https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html
Carlos O'Donell - The GNU C Library version 2.22 is now availableVendor Advisory
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http://www.openwall.com/lists/oss-security/2017/02/14/9
oss-security - Re: Pending CVE requests for glibcMailing List;Patch;Third Party Advisory
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4a28f4d55a6cc33474c0792fe93b5942d81bf185
sourceware.org Git - glibc.git/commitIssue Tracking;Patch;Third Party Advisory
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http://www.securityfocus.com/bid/72789
GNU glibc 'fnmatch_loop.c' Local Buffer Overflow VulnerabilityThird Party Advisory;VDB Entry
Products affected by CVE-2015-8984
- cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*