Vulnerability CVE-2015-8391


Published: 2015-12-01   Modified: 2015-12-02

Description:
The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9/10
8.5/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Complete
Affected software
PCRE -> Perl compatible regular expression library 

 References:
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html
http://rhn.redhat.com/errata/RHSA-2016-1025.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
http://www.openwall.com/lists/oss-security/2015/11/29/1
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/82990
https://access.redhat.com/errata/RHSA-2016:1132
https://bto.bluecoat.com/security-advisory/sa128
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
https://security.gentoo.org/glsa/201607-02

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