Vulnerability identifier: #VU93850
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:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Go programming language
Universal components / Libraries /
Scripting languages
Vendor: Google
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of "Expect: 100-continue" HTTP requests. A remote attacker can send multiple such requests and consume all available resources.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Go programming language: 1.22.0 - 1.22.4, 1.21 rc1 - 1.21.11
External links
http://go.dev/cl/591255
http://go.dev/issue/67555
http://groups.google.com/g/golang-dev/c/t0rK-qHBqzY/m/6MMoAZkMAgAJ
http://pkg.go.dev/vuln/GO-2024-2963
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.