CVE-2015-5073

moderate-risk
Published 2016-12-13

Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38 allows remote attackers to cause a denial of service (crash) or obtain sensitive information from heap memory and possibly bypass the ASLR protection mechanism via a crafted regular expression with an excess closing parenthesis.

Do I need to act?

-
0.55% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Pcre

Affected Vendors

Pcre Ibm

References (26)

http://rhn.redhat.com/errata/RHSA-2016-1025.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Vendor Advisory http://vcs.pcre.org/pcre/code/trunk/ChangeLog?revision=1609&view=markup
Exploit http://vcs.pcre.org/pcre?view=revision&revision=1571
Third Party Advisory http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
Mailing List http://www.openwall.com/lists/oss-security/2015/06/26/1
Mailing List http://www.openwall.com/lists/oss-security/2015/06/26/3
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.h...
Third Party Advisory http://www.securityfocus.com/bid/75430
Third Party Advisory http://www.securitytracker.com/id/1033154
https://access.redhat.com/errata/RHSA-2016:1132
Exploit https://bugs.exim.org/show_bug.cgi?id=1651
https://security.gentoo.org/glsa/201607-02
http://rhn.redhat.com/errata/RHSA-2016-1025.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Vendor Advisory http://vcs.pcre.org/pcre/code/trunk/ChangeLog?revision=1609&view=markup
Exploit http://vcs.pcre.org/pcre?view=revision&revision=1571
Third Party Advisory http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
Mailing List http://www.openwall.com/lists/oss-security/2015/06/26/1
Mailing List http://www.openwall.com/lists/oss-security/2015/06/26/3
and 6 more references
42
/ 100
moderate-risk
Severity 31/34 · Critical
Exploitability 2/34 · Minimal
Exposure 9/34 · Low