cve-2021-41114
Vulnerability from cvelistv5
Published
2021-10-05 17:15
Modified
2024-08-04 02:59
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Summary
TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that TYPO3 CMS is susceptible to host spoofing due to improper validation of the HTTP Host header. TYPO3 uses the HTTP Host header, for example, to generate absolute URLs during the frontend rendering process. Since the host header itself is provided by the client, it can be forged to any value, even in a name-based virtual hosts environment. This vulnerability is the same as described in TYPO3-CORE-SA-2014-001 (CVE-2014-3941). A regression, introduced during TYPO3 v11 development, led to this situation. The already existing setting $GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] (used as an effective mitigation strategy in previous TYPO3 versions) was not evaluated anymore, and reintroduced the vulnerability.
References
security-advisories@github.comhttps://github.com/TYPO3/typo3/commit/5cbff85506cebe343e5ae59228977547cf8e3cf4Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/TYPO3/typo3/security/advisories/GHSA-m2jh-fxw4-gphmThird Party Advisory
security-advisories@github.comhttps://typo3.org/security/advisory/typo3-core-sa-2021-015Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/TYPO3/typo3/commit/5cbff85506cebe343e5ae59228977547cf8e3cf4Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/TYPO3/typo3/security/advisories/GHSA-m2jh-fxw4-gphmThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://typo3.org/security/advisory/typo3-core-sa-2021-015Vendor Advisory
Impacted products
Vendor Product Version
TYPO3 typo3 Version: >= 11.0.0, < 11.5.0
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