CVE-2015-2327

PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

CVSS v2.0 7.5 HIGH

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup	Exploit
http://www.openwall.com/lists/oss-security/2015/11/29/1
https://bugs.exim.org/show_bug.cgi?id=1503	Exploit
https://jira.mongodb.org/browse/SERVER-17252
http://www.fortiguard.com/advisory/FG-VD-15-010/
http://www.securityfocus.com/bid/74924
http://rhn.redhat.com/errata/RHSA-2016-2750.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:*

Information

Published : 2015-12-01 17:59

Updated : 2018-01-04 18:30

NVD link : CVE-2015-2327

Mitre link : CVE-2015-2327

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

pcre

perl_compatible_regular_expression_library

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