Access Restriction Bypass The advisory has been revoked - it doesn't affect any version of package twig (opens in a new tab)
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-UBUNTU1510-TWIG-624806
- published6 Nov 2015
- disclosed6 Nov 2015
Introduced: 6 Nov 2015
CVE-2015-7809 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:15.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream twig package and not the twig package as distributed by Ubuntu.
The displayBlock function Template.php in Sensio Labs Twig before 1.20.0, when Sandbox mode is enabled, allows remote attackers to execute arbitrary code via the _self variable in a template.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-7809
- http://symfony.com/blog/security-release-twig-1-20-0
- http://www.debian.org/security/2015/dsa-3343
- https://security-tracker.debian.org/tracker/CVE-2015-7809
- https://github.com/fabpot/Twig/commit/30be07759a3de2558da5224f127d052ecf492e8f
- https://github.com/twigphp/Twig/pull/1759
- http://openwall.com/lists/oss-security/2015/08/21/3
- http://openwall.com/lists/oss-security/2015/10/11/2