Use After Free Affecting php7.0 package, versions <7.0.8-0ubuntu0.16.04.2
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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Test your applications- Snyk IDSNYK-UBUNTU1604-PHP70-386353
- published25 Jul 2016
- disclosed25 Jul 2016
Introduced: 25 Jul 2016
CVE-2016-6290 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 php7.0 to version 7.0.8-0ubuntu0.16.04.2 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/session/session.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 does not properly maintain a certain hash data structure, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via vectors related to session deserialization.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-6290
- https://support.apple.com/HT207170
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://www.debian.org/security/2016/dsa-3631
- https://security-tracker.debian.org/tracker/CVE-2016-6290
- https://security.gentoo.org/glsa/201611-22
- http://git.php.net/?p=php-src.git;a=commit;h=3798eb6fd5dddb211b01d41495072fd9858d4e32
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/72562
- http://openwall.com/lists/oss-security/2016/07/24/2
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.securityfocus.com/bid/92097
- http://www.securitytracker.com/id/1036430
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=3798eb6fd5dddb211b01d41495072fd9858d4e32