#VU68897 Resource exhaustion in Go Text - CVE-2022-32149

Vulnerability identifier: #VU68897

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-2022-32149

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Go Text
Universal components / Libraries / Libraries used by multiple products

Vendor: Go

Description

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

The vulnerability exists due to ParseAcceptLanguage does not properly control consumption of internal resources. A remote attacker can send a specially crafted Accept-Language header that will take a significant time to parse and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go Text: 0.1.0 - 0.3.7

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External links
https://go.dev/cl/442235
https://go.dev/issue/56152
https://groups.google.com/g/golang-announce/c/-hjNw559_tE/m/KlGTfid5CAAJ
https://pkg.go.dev/vuln/GO-2022-1059

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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.