9.8crit

CVE-2016-1283in critical feed

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)?…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
7.8%
percentile 95%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

7.79% probability of exploitation in the next 30 days, higher than 95% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds
PHP (RSS, critical only)

References

  • access.redhat.com /errata/RHSA-2016:1132 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugs.exim.org /show_bug.cgi?id=1767 · x_refsource_CONFIRM, x_transferred
  • slackware.com /security/viewer.php?l=slackware-security&y=2016&m=slackware-security.343110 · vendor-advisory, x_refsource_SLACKWARE, x_transferred
  • securityfocus.com /bid/79825 · vdb-entry, x_refsource_BID, x_transferred
  • lists.fedoraproject.org /pipermail/package-announce/2016-March/178955.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • lists.fedoraproject.org /pipermail/package-announce/2016-March/178193.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • oracle.com /technetwork/topics/security/bulletinapr2016-2952098.html · x_refsource_CONFIRM, x_transferred
  • tenable.com /security/tns-2016-18 · x_refsource_CONFIRM, x_transferred
  • tenable.com /security/tns-2017-14 · x_refsource_CONFIRM, x_transferred
  • bto.bluecoat.com /security-advisory/sa128 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1034555 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • security.gentoo.org /glsa/201607-02 · vendor-advisory, x_refsource_GENTOO, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.