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CVE-2015-5073

Published: 26 June 2015

Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38 allows remote attackers to cause a denial of service (crash) or obtain sensitive information from heap memory and possibly bypass the ASLR protection mechanism via a crafted regular expression with an excess closing parenthesis.

Notes

AuthorNote
mdeslaur
in wily, this was already fixed by the fix_find_fixedlength
patch, but the testcases weren't included

was supposed to be fixed in wily (2:8.35-7ubuntu2) but got
reverted in (2:8.35-7ubuntu5) by mistake

CVE-2015-2325_CVE-2015-2326_CVE-2015-3210_CVE-2015-5073.patch
in jessie

Priority

Low

Cvss 3 Severity Score

9.1

Score breakdown

Status

Package Release Status
pcre3
Launchpad, Ubuntu, Debian
precise
Released (8.12-4ubuntu0.1)
trusty
Released (1:8.31-2ubuntu2.1)
upstream
Released (2:8.35-7)
utopic Ignored
(end of life)
vivid
Released (2:8.35-3.3ubuntu1.1)
wily
Released (2:8.35-7.1ubuntu1.3)
Patches:
upstream: http://vcs.pcre.org/pcre?view=revision&revision=1571

Severity score breakdown

Parameter Value
Base score 9.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H