Vulnerability Details CVE-2016-3191
The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*ACCEPT) substring in conjunction with nested parentheses, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-3542.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.035
EPSS Ranking 87.0%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- http://rhn.redhat.com/errata/RHSA-2016-1025.html
- http://vcs.pcre.org/pcre2?view=revision&revision=489
- http://vcs.pcre.org/pcre?view=revision&revision=1631
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/84810
- https://access.redhat.com/errata/RHSA-2016:1132
- https://bto.bluecoat.com/security-advisory/sa128
- https://bugs.debian.org/815920
- https://bugs.debian.org/815921
- https://bugs.exim.org/show_bug.cgi?id=1791
- https://bugzilla.redhat.com/show_bug.cgi?id=1311503
- https://www.tenable.com/security/tns-2016-18
- http://rhn.redhat.com/errata/RHSA-2016-1025.html
- http://vcs.pcre.org/pcre2?view=revision&revision=489
- http://vcs.pcre.org/pcre?view=revision&revision=1631
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/84810
- https://access.redhat.com/errata/RHSA-2016:1132
- https://bto.bluecoat.com/security-advisory/sa128
- https://bugs.debian.org/815920
- https://bugs.debian.org/815921
- https://bugs.exim.org/show_bug.cgi?id=1791
- https://bugzilla.redhat.com/show_bug.cgi?id=1311503
- https://www.tenable.com/security/tns-2016-18
Products affected by CVE-2016-3191
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cpe:2.3:a:pcre:pcre2:-
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cpe:2.3:a:pcre:pcre2:10.00
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cpe:2.3:a:pcre:pcre2:10.10
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cpe:2.3:a:pcre:pcre2:10.20
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cpe:2.3:a:pcre:pcre2:10.21
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cpe:2.3:a:pcre:pcre:8.00
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cpe:2.3:a:pcre:pcre:8.01
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cpe:2.3:a:pcre:pcre:8.02
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cpe:2.3:a:pcre:pcre:8.10
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cpe:2.3:a:pcre:pcre:8.11
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cpe:2.3:a:pcre:pcre:8.12
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cpe:2.3:a:pcre:pcre:8.13
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cpe:2.3:a:pcre:pcre:8.20
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cpe:2.3:a:pcre:pcre:8.21
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cpe:2.3:a:pcre:pcre:8.30
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cpe:2.3:a:pcre:pcre:8.31
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cpe:2.3:a:pcre:pcre:8.32
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cpe:2.3:a:pcre:pcre:8.33
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cpe:2.3:a:pcre:pcre:8.34
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cpe:2.3:a:pcre:pcre:8.35
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cpe:2.3:a:pcre:pcre:8.36
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cpe:2.3:a:pcre:pcre:8.37
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cpe:2.3:a:pcre:pcre:8.38