Vulnerability CVE-2017-6004
Published: 2017-02-16

Description:
The compile_bracket_matchingpath function in pcre_jit_compile.c in PCRE through 8.x before revision 1680 (e.g., the PHP 7.1.1 bundled version) allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted regular expression.

Type:

CWE-125

 (Out-of-bounds Read)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
PCRE -> PCRE 

 References:
http://www.securityfocus.com/bid/96295
http://www.securitytracker.com/id/1037850
https://access.redhat.com/errata/RHSA-2018:2486
https://bugs.exim.org/show_bug.cgi?id=2035
https://security.gentoo.org/glsa/201706-11
https://vcs.pcre.org/pcre/code/trunk/pcre_jit_compile.c?r1=1676&r2=1680&view=patch
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