CVE-2015-5073

Publication date 26 June 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
pcre3	15.10 wily	Fixed 2:8.35-7.1ubuntu1.3
	15.04 vivid	Fixed 2:8.35-3.3ubuntu1.1
	14.10 utopic	Ignored
	14.04 LTS trusty	Fixed 1:8.31-2ubuntu2.1
	12.04 LTS precise	Fixed 8.12-4ubuntu0.1

Notes

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

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
pcre3	Upstream: http://vcs.pcre.org/pcre?view=revision&revision=1571

Severity score breakdown

Parameter	Value
Base score	9.1 · Critical
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