CVE-2014-9769 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Reference

http://vcs.pcre.org/pcre?view=revision&revision=1475 http://www.openwall.com/lists/oss-security/2016/03/26/1 http://www.securityfocus.com/bid/85570 http://www.securitytracker.com/id/1035424 https://bugs.debian.org/819050 https://redmine.openinfosecfoundation.org/issues/1693

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

LOW

Base Severity

7.3