CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
69.7%
Template authors could run arbitrary PHP code by crafting a malicious math string.
If a math string is passed through as user provided data to the math function, external users could run arbitrary PHP code by crafting a malicious math string.
Please upgrade to 4.0.2 or 3.1.42 or higher.
See documentation on Math function.
If you have any questions or comments about this advisory please open an issue in the Smarty repo
github.com/advisories/GHSA-29gp-2c3m-3j6m
github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2021-29454.yaml
github.com/smarty-php/smarty/commit/215d81a9fa3cd63d82fb3ab56ecaf97cf1e7db71
github.com/smarty-php/smarty/releases/tag/v3.1.42
github.com/smarty-php/smarty/releases/tag/v4.0.2
github.com/smarty-php/smarty/security/advisories/GHSA-29gp-2c3m-3j6m
lists.debian.org/debian-lts-announce/2022/05/msg00005.html
lists.fedoraproject.org/archives/list/[email protected]/message/BRAJVDRGCIY5UZ2PQHKDTT7RMKG6WJQQ/
lists.fedoraproject.org/archives/list/[email protected]/message/L777JIBIWJV34HS7LXPIDWASG7TT4LNI/
nvd.nist.gov/vuln/detail/CVE-2021-29454
packagist.org/packages/smarty/smarty
security.gentoo.org/glsa/202209-09
www.debian.org/security/2022/dsa-5151
www.smarty.net/docs/en/language.function.math.tpl
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
69.7%