GHSA-c7rj-92xr-wprg Insecure Unserialize in TYPO3 Backend

Not scored Published

An authenticated backend user can exploit insecure deserialization in the suggest wizard to execute arbitrary code.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is GHSA-c7rj-92xr-wprg?

GHSA-c7rj-92xr-wprg is an unsafe deserialization vulnerability in typo3/cms, published on 5 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Failing to properly validate incoming data, the suggest wizard is susceptible to insecure unserialize. To exploit this vulnerability a valid backend user account is needed.

Which versions are affected by GHSA-c7rj-92xr-wprg?

6 open source packages ship an affected version, including typo3/cms.

PackageAffectedFixed in
typo3/cms PackagistFrom 6.2.06.2.29
typo3/cms PackagistFrom 6.2.06.2.29
typo3/cms PackagistFrom 7.6.07.6.13
typo3/cms PackagistFrom 7.6.07.6.13
typo3/cms PackagistFrom 8.0.08.4.1
typo3/cms PackagistFrom 8.0.08.4.1

How do I fix GHSA-c7rj-92xr-wprg?

Upgrade typo3/cms to a fixed version for your release line: 6.2.29, 7.6.13 or 8.4.1.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is GHSA-c7rj-92xr-wprg being exploited?

There is no known exploitation of GHSA-c7rj-92xr-wprg in the wild and no public exploit code.

Sources

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