#VU61609 Security features bypass in Twig - CVE-2022-23614
Published: March 24, 2022 / Updated: July 18, 2022
Vulnerability identifier: #VU61609
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2022-23614
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Twig
Twig
Software vendor:
Symfony
Symfony
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to missing security restrictions for non closures in "sort" filter when using a sandbox mode. A remote attacker can pass specially crafted data to the application and execute arbitrary PHP code on the system.
Remediation
Install updates from vendor's website.
External links
- https://github.com/twigphp/Twig/commit/2eb33080558611201b55079d07ac88f207b466d5
- https://github.com/twigphp/Twig/commit/22b9dc3c03ee66d7e21d9ed2ca76052b134cb9e9
- https://github.com/twigphp/Twig/security/advisories/GHSA-5mv2-rx3q-4w2v
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OTN4273U4RHVIXED64T7DSMJ3VYTPRE7/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2PVV5DUTRUECTIHMTWRI5Z7DVNYQ2YO/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PECHIY2XLWUH2WLCNPDGNFMPHPRPCEDZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SIGZCFSYLPP7UVJ4E4NLHSOQSKYNXSAD/