CVE-2017-11143
HIGH severity · CVSS 7.5 · Use-after-free
7.5CVSS HIGH
Summary
In PHP before 5.6.31, an invalid free in the WDDX deserialization of boolean parameters could be used by attackers able to inject XML for deserialization to crash the PHP interpreter, related to an invalid free for an empty boolean element in ext/wddx/wddx.c.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)10%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://openwall.com/lists/oss-security/2017/07/10/6 ↗
Additional information
- NVD record
- http://openwall.com/lists/oss-security/2017/07/10/6Patch
- https://bugs.php.net/bug.php?id=74145Patch
- http://php.net/ChangeLog-5.phpAdvisory
- http://www.securityfocus.com/bid/99553
- https://access.redhat.com/errata/RHSA-2018:1296
- https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2aae60461c2ff7b7fbcdd194c789ac841d0747d7
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://www.debian.org/security/2018/dsa-4081