#VU53851 Use of Uninitialized Variable in libwebp - CVE-2018-25014

Vulnerability identifier: #VU53851

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-25014

CWE-ID: CWE-457

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libwebp
Other software / Other software solutions

Vendor: developers.google.com

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to usage of unitialized variable in the ReadSymbol() function in libwebp. A remote attacker can trick the victim to open a specially crated file and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libwebp: 0.1.2 - 1.0.1 rc2

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=1956927
https://lists.debian.org/debian-lts-announce/2021/06/msg00005.html
https://lists.debian.org/debian-lts-announce/2021/06/msg00006.html

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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.