Home/CVE/Twig is an open source template language for PHP. When in a sandbox mode, the `arrow` parameter of the `sort` filter mus
CVE

CVE-2022-23614

Twig is an open source template language for PHP. When in a sandbox mode, the `arrow` parameter of the `sort` filter mus

Twig is an open source template language for PHP. When in a sandbox mode, the arrow parameter of the sort filter must be a closure to avoid attackers being able to run arbitrary PHP functions. In affected versions this constraint was not properly enforced and could lead to code injection of arbitrary PHP code.

Patched versions now disallow calling non Closure in the sort filter as is the case for some other filters. Users are advised to upgrade.

HIGH · CVSS 8.8 EPSS 0.21146
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

4
symfony twig>= 2.0.0 and < 2.14.11
symfony twig>= 3.0.0 and < 3.3.8
fedoraproject fedoraall versions
debian linuxall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist twig/twig HIGH fixed in 2.14.11
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Feb 2022 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
usnUSN-5947-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/twigphp/Twig/commit/22b9dc3c03ee66d7e21d9ed2ca76052b134cb9e9PatchThird Party Advisory
https://github.com/twigphp/Twig/commit/2eb33080558611201b55079d07ac88f207b466d5PatchThird Party Advisory
https://github.com/twigphp/Twig/security/advisories/GHSA-5mv2-rx3q-4w2vThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I2PVV5DUTRUECTIHMTWRI5Z7DVNYQ2YO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OTN4273U4RHVIXED64T7DSMJ3VYTPRE7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PECHIY2XLWUH2WLCNPDGNFMPHPRPCEDZ/
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