#VU69283 Out-of-bounds write in xstream - CVE-2022-40151

Vulnerability identifier: #VU69283

Vulnerability risk: Medium

CVSSv4.0: 6.6 [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:U/U:Green]

CVE-ID: CVE-2022-40151

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

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 attack.

The vulnerability exists due to a boundary error if the parser is running on user supplied input. A remote attacker can pass a specially crafted XML input to the application and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

xstream: 0.2 - 1.4.19

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External links
https://github.com/x-stream/xstream/issues/304
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47367
https://github.com/x-stream/xstream/security/advisories/GHSA-f8cc-g7j8-xxpm
https://x-stream.github.io/CVE-2022-40151.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.