CVE-2016-1283
CRITICAL severity · CVSS 9.8 · Memory corruption
9.8CVSS CRITICAL
Summary
The pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the /((?:F?+(?:^(?(R)a+\"){99}-))(?J)(?'R'(?'R'<((?'RR'(?'R'\){97)?J)?J)(?'R'(?'R'\){99|(:(?|(?'R')(\k'R')|((?'R')))H'R'R)(H'R))))))/ pattern and related patterns with named subgroups, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)8%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178193.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178955.htmlAdvisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlAdvisory
- http://www.securityfocus.com/bid/79825Advisory
- http://www.securitytracker.com/id/1034555Advisory
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.343110Advisory
- https://access.redhat.com/errata/RHSA-2016:1132Advisory
- https://bto.bluecoat.com/security-advisory/sa128Advisory