#VU64024 Input validation error in udisks - CVE-2021-3802

Vulnerability identifier: #VU64024

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3802

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
udisks
Other software / Other software solutions

Vendor: Freedesktop.org

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can input a specially crafted image file/USB and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

udisks: 2.6.4 - 2.9.3

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2003649
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-045.txt

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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