Denial of service in Yaml for the Go language



Published: 2022-06-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-28948
CWE-ID CWE-502
Exploitation vector Network
Public exploit N/A
Vulnerable software
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yaml
Universal components / Libraries / Libraries used by multiple products

Vendor The YAML Project

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Deserialization of Untrusted Data

EUVDB-ID: #VU64275

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28948

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

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

The vulnerability exists due to insecure input validation when processing serialized data in the Unmarshal function. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

yaml: 2.0.0 - 3.0.0


CPE2.3 External links

http://github.com/go-yaml/yaml/issues/666

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.



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