#VU182 Insecure unserialize in TYPO3 Import/Export in TYPO3

Vulnerability identifier: #VU182

Vulnerability risk: High

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TYPO3
Web applications / CMS

Vendor: TYPO3

Description
The vulnerability allows a remote attacker to modify data on the target system.

The vulnerability exists in TYPO3. A remote authenticated user with a valid backend account can modify data on the target system by exploiting a deserialization flaw in the Import/Export component.

Successful exploitation of this vulnerability may result in modification of system information.

Mitigation
Install the latest versions (6.2.26, 7.6.10, 8.2.1).

Vulnerable software versions

TYPO3: 6.2.0 rc1 - 6.2.25, 7.6.0 - 7.6.9, 8.0.0 - 8.2.0

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External links
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-015/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.