MediumGHSA-m4hw-r893-xh4gCVE-2012-3527
TYPO3 allows remote authenticated backend users to unserialize arbitrary objects
Published 17 May 2022 · Updated 12 Apr 2025
Affected packages
typo3/cmsComposer
- Affected
- >=4.5.0 <4.5.19
- Fixed in
- 4.5.19
Update to the fixed version for your release line, for example:
composer require typo3/cms:^4.5.19typo3/cmsComposer
- Affected
- >=4.6.0 <4.6.12
- Fixed in
- 4.6.12
Update to the fixed version for your release line, for example:
composer require typo3/cms:^4.6.12typo3/cmsComposer
- Affected
- >=4.7.0 <4.7.4
- Fixed in
- 4.7.4
Update to the fixed version for your release line, for example:
composer require typo3/cms:^4.7.4Details
view_help.php in the backend help system in TYPO3 4.5.x before 4.5.19, 4.6.x before 4.6.12 and 4.7.x before 4.7.4 allows remote authenticated backend users to unserialize arbitrary objects and possibly execute arbitrary PHP code via an unspecified parameter, related to a "missing signature (HMAC)."
Is GHSA-m4hw-r893-xh4g in any of your client repos?
Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected typo3/cms, and gives you the command that fixes it.
References
- Advisorynvd.nist.gov/vuln/detail/CVE-2012-3527
- Linkexchange.xforce.ibmcloud.com/vulnerabilities/77791
- Packagegithub.com/TYPO3/typo3
- Linkweb.archive.org/web/20120817233148/http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-004
- Linkwww.debian.org/security/2012/dsa-2537
- Linkwww.openwall.com/lists/oss-security/2012/08/22/8
Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.