Vulnerability Details : CVE-2014-9769
pcre_jit_compile.c in PCRE 8.35 does not properly use table jumps to optimize nested alternatives, which allows remote attackers to cause a denial of service (stack memory corruption) or possibly have unspecified other impact via a crafted string, as demonstrated by packets encountered by Suricata during use of a regular expression in an Emerging Threats Open ruleset.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2014-9769
- cpe:2.3:a:pcre:pcre:8.35:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-9769
0.73%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-9769
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
7.3
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
3.9
|
3.4
|
NIST |
CWE ids for CVE-2014-9769
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-9769
-
https://redmine.openinfosecfoundation.org/issues/1693
Bug #1693: Crash on Debian with libpcre 8.35 - Suricata - Open Information Security Foundation
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https://bugs.debian.org/819050
#819050 - pcre3: CVE-2014-9769: Segmentation fault on certain input to regular expressions with nested alternatives when JIT is used - Debian Bug report logs
-
http://www.securitytracker.com/id/1035424
PCRE Bug in 'pcre_jit_compile.c' Lets Remote Users Deny Service - SecurityTracker
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http://www.openwall.com/lists/oss-security/2016/03/26/1
oss-security - CVE Request: pcre: Segmentation fault on certain input to regular expressions with nested alternatives when JIT is used
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http://www.securityfocus.com/bid/85570
PCRE 'pcre_jit_compile.c' Denial of Service Vulnerability
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http://vcs.pcre.org/pcre?view=revision&revision=1475
ViewVC Exception
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