medium
4.6
CWE
310 502
Advisory Published
Advisory Published
Updated

CVE-2012-3527

First published: Wed Sep 05 2012(Updated: )

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)."

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
TYPO3=4.5
TYPO3=4.5.0
TYPO3=4.5.1
TYPO3=4.5.2
TYPO3=4.5.3
TYPO3=4.5.4
TYPO3=4.5.5
TYPO3=4.5.6
TYPO3=4.5.7
TYPO3=4.5.8
TYPO3=4.5.9
TYPO3=4.5.10
TYPO3=4.5.11
TYPO3=4.5.12
TYPO3=4.5.13
TYPO3=4.5.14
TYPO3=4.5.15
TYPO3=4.5.16
TYPO3=4.5.17
TYPO3=4.5.18
TYPO3=4.6
TYPO3=4.6.0
TYPO3=4.6.1
TYPO3=4.6.2
TYPO3=4.6.3
TYPO3=4.6.4
TYPO3=4.6.5
TYPO3=4.6.6
TYPO3=4.6.7
TYPO3=4.6.8
TYPO3=4.6.9
TYPO3=4.6.10
TYPO3=4.6.11
TYPO3=4.7
TYPO3=4.7.0
TYPO3=4.7.1
TYPO3=4.7.2
TYPO3=4.7.3
TYPO3>=4.5.0<4.5.19
TYPO3>=4.6.0<4.6.12
TYPO3>=4.7.0<4.7.4
Debian Linux=6.0
Debian Linux=7.0
composer/typo3/cms>=4.7.0<4.7.4
4.7.4
composer/typo3/cms>=4.6.0<4.6.12
4.6.12
composer/typo3/cms>=4.5.0<4.5.19
4.5.19

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-3527?

    CVE-2012-3527 is classified as a high severity vulnerability due to its potential to allow remote authenticated users to execute arbitrary PHP code.

  • How do I fix CVE-2012-3527?

    To fix CVE-2012-3527, you should upgrade TYPO3 to a version later than 4.5.19, 4.6.12, or 4.7.4.

  • What versions are affected by CVE-2012-3527?

    CVE-2012-3527 affects TYPO3 versions 4.5.0 to 4.5.18, 4.6.0 up to 4.6.11, and 4.7.0 to 4.7.3.

  • Can CVE-2012-3527 be exploited by unprivileged users?

    No, CVE-2012-3527 requires remote authenticated backend users to exploit the vulnerability.

  • What type of vulnerability is CVE-2012-3527?

    CVE-2012-3527 is an unserialization vulnerability that may lead to remote code execution.

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