#VU11880 Infinite loop in Exempi - CVE-2017-18236

Vulnerability identifier: #VU11880

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-18236

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Exempi
Client/Desktop applications / Multimedia software

Vendor: Freedesktop.org

Description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the ASF_Support::ReadHeaderObject function in the source code file XMPFiles/source/FormatSupport/ASF_Support.cpp due to infinite loop when handling .asf files. A remote attacker can trick the victim into accessing a specially crafted .asf file and cause the service to crash.

Mitigation
Update to version 2.4.4.

Vulnerable software versions

Exempi: 2.4.0 - 2.4.3

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External links
https://cgit.freedesktop.org/exempi/commit/?id=fe59605d3520bf2ca4e0a963d194f10e9fee5806

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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