Deserialization of Untrusted Data Affecting php7.0 package, versions <7.0.8-0ubuntu0.16.04.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published12 Sept 2016
- disclosed12 Sept 2016
Introduced: 12 Sep 2016
CVE-2016-7124 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 php7.0 to version 7.0.8-0ubuntu0.16.04.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php7.0 package and not the php7.0 package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
ext/standard/var_unserializer.c in PHP before 5.6.25 and 7.x before 7.0.10 mishandles certain invalid objects, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that leads to a (1) __destruct call or (2) magic method call.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-7124
- https://security-tracker.debian.org/tracker/CVE-2016-7124
- https://security.gentoo.org/glsa/201611-22
- https://github.com/php/php-src/commit/20ce2fe8e3c211a42fee05a461a5881be9a8790e?w=1
- https://bugs.php.net/bug.php?id=72663
- https://www.tenable.com/security/tns-2016-19
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/ChangeLog-7.php
- http://openwall.com/lists/oss-security/2016/09/02/9
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.securityfocus.com/bid/92756
- http://www.securitytracker.com/id/1036680