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CVE-2015-3210

Publication date 1 June 2015

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote attackers to execute arbitrary code via a crafted regular expression, as demonstrated by /^(?P=B)((?P=B)(?J:(?P<B>c)(?P<B>a(?P=B)))>WGXCREDITS)/, a different vulnerability than CVE-2015-8384.

Read the notes from the security team

Status

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
Not affected
12.04 LTS precise
Not affected

Notes

seth-arnold

"A number of such bugs have recently been discovered by fuzzers", it might be a good idea to trawl the source repo for more such fixes.

mdeslaur

Debian claims introduced in http://vcs.pcre.org/pcre?view=revision&revision=1361 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

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references