#VU68897 Resource exhaustion in Go Text


Published: 2022-11-01

Vulnerability identifier: #VU68897

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-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


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


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.


Latest bulletins with this vulnerability