Vulnerability CVE-2015-8388
Published: 2015-12-01   Modified: 2015-12-02

Description:
PCRE before 8.38 mishandles the /(?=di(?<=(?1))|(?=(.))))/ pattern and related patterns with an unmatched closing parenthesis, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Type:

CWE-185

 (Incorrect Regular Expression)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
PCRE -> Perl compatible regular expression library 
Oracle -> Linux 

 References:
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/85576
https://access.redhat.com/errata/RHSA-2016:1132
https://bto.bluecoat.com/security-advisory/sa128
https://security.gentoo.org/glsa/201607-02
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