CVE-2016-3141
Vulnerability Summary
Timeline
Description
Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact by triggering a wddx_deserialize call on XML data containing a crafted var element.
CVSS Metrics
- v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 72.28%• Percentile: 99%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- apple•mac_os_x
≤ 10.11.4
- Unknown•PHP
≤ 5.5.32 | 5.6.0 | 5.6.1 | 5.6.2 | 5.6.3 | 5.6.4 | 5.6.5 | 5.6.6 | 5.6.7 | 5.6.8 | 5.6.9 | 5.6.10 | 5.6.11 | 5.6.12 | 5.6.13 | 5.6.14 | 5.6.15 | 5.6.16 | 5.6.17 | 5.6.18
References (15)
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=b1bd4119bcafab6f9a8f84d92cd65eec3afeface
- http://www.ubuntu.com/usn/USN-2952-1
- http://www.securityfocus.com/bid/84271
- https://support.apple.com/HT206567
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html
- http://www.ubuntu.com/usn/USN-2952-2
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
- http://www.securitytracker.com/id/1035255
- https://bugs.php.net/bug.php?id=71587
- http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
- https://php.net/ChangeLog-5.php
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html