Vulnerability identifier: #VU82999

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28118

CWE-ID: CWE-776

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
kaml
Other software / Other software solutions

Vendor: charleskorn

Description

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

The vulnerability exists due to applications that use kaml to parse untrusted input containing anchors and aliases may consume excessive memory and crash. A remote unauthenticated attacker can pass specially crafted XML data to the application and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

kaml: 0.50.0 - 0.52.0

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External links
http://github.com/charleskorn/kaml/releases/tag/0.53.0
http://github.com/charleskorn/kaml/security/advisories/GHSA-c24f-2j3g-rg48
http://github.com/charleskorn/kaml/commit/5f82a2d7e00bfc307afca05d1dc4d7c50593531a

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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.