#VU70527 Input validation error in xstream - CVE-2022-41966

Vulnerability identifier: #VU70527

Vulnerability risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-41966

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
xstream
Universal components / Libraries / Libraries used by multiple products

Vendor: XStream

Description

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

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass specially crafted data to the application, trigger a stack overflow error and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

xstream: 0.2 - 1.4.19

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External links
https://x-stream.github.io/CVE-2022-41966.html
https://github.com/x-stream/xstream/security/advisories/GHSA-j563-grx4-pjpv

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?