CVE-2016-6296
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.27% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- php/php
- Source
- cve@mitre.org
References
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=e6c48213c22ed50b2b987b479fcc1ac709394caa
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://openwall.com/lists/oss-security/2016/07/24/2Mailing List
- http://php.net/ChangeLog-5.phpRelease Notes
- http://php.net/ChangeLog-7.phpRelease Notes
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3631
- http://www.securityfocus.com/bid/92095Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036430
- http://www.ubuntu.com/usn/USN-3059-1
- https://bugs.php.net/72606Exploit, Issue Tracking
- https://lists.debian.org/debian-lts-announce/2019/11/msg00029.html
- https://security.gentoo.org/glsa/201611-22
- https://support.apple.com/HT207170
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=e6c48213c22ed50b2b987b479fcc1ac709394caa
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://openwall.com/lists/oss-security/2016/07/24/2Mailing List
- http://php.net/ChangeLog-5.phpRelease Notes
- http://php.net/ChangeLog-7.phpRelease Notes
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3631
- http://www.securityfocus.com/bid/92095Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036430
- http://www.ubuntu.com/usn/USN-3059-1
- https://bugs.php.net/72606Exploit, Issue Tracking
- https://lists.debian.org/debian-lts-announce/2019/11/msg00029.html
- https://security.gentoo.org/glsa/201611-22
- https://support.apple.com/HT207170
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.