9.8crit

CVE-2016-6296in critical feed

Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
6.3%
percentile 94%
Public exploits
0
none known

Summary

Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a long first argument to the PHP xmlrpc_encode_request function.

Exploit prediction (EPSS)

6.27% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/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

  • securityfocus.com /bid/92095 · vdb-entry, x_refsource_BID, x_transferred
  • git.php.net /?p=php-src.git%3Ba=commit%3Bh=e6c48213c22ed50b2b987b479fcc1ac709394caa · x_refsource_CONFIRM, x_transferred
  • lists.apple.com /archives/security-announce/2016/Sep/msg00006.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • security.gentoo.org /glsa/201611-22 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2750.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • ubuntu.com /usn/USN-3059-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • bugs.php.net /72606 · x_refsource_CONFIRM, x_transferred
  • php.net /ChangeLog-5.php · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1036430 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • debian.org /security/2016/dsa-3631 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • php.net /ChangeLog-7.php · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/07/24/2 · mailing-list, x_refsource_MLIST, x_transferred
  • support.apple.com /HT207170 · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2019/11/msg00029.html · mailing-list, x_refsource_MLIST, 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.