CVE-2015-7809

Description

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.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.31% Top 20%
Vendor Advisory debian.org Vendor Advisory symfony.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/twigphp/Twig/pull/1759
http://www.debian.org/security/2015/dsa-3343 vendor advisory
http://symfony.com/blog/security-release-twig-1-20-0 vendor advisory
https://github.com/fabpot/Twig/commit/30be07759a3de2558da5224f127d052ecf492e8f
http://openwall.com/lists/oss-security/2015/10/11/2 mailing list
http://openwall.com/lists/oss-security/2015/08/21/3 mailing list

Frequently Asked Questions

What is the severity of CVE-2015-7809?
CVE-2015-7809 has been scored as a medium severity vulnerability.
How to fix CVE-2015-7809?
To fix CVE-2015-7809, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-7809 being actively exploited in the wild?
It is possible that CVE-2015-7809 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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