Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-31525 |
CWE-ID | CWE-674 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Go programming language Universal components / Libraries / Scripting languages |
Vendor |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU54910
Risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-31525
CWE-ID:
CWE-674 - Uncontrolled Recursion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a DoS attack.
The vulnerability exists due to uncontrolled recursion when processing HTTP headers. A remote attacker can send a large header to ReadRequest or ReadResponse and perform a denial of service (DoS) attack.
Install update from vendor's website.
Vulnerable software versionsGo programming language: 1.15 - 1.16.3
External linkshttp://github.com/golang/go/issues/45710
http://groups.google.com/g/golang-announce/c/cu9SP4eSXMc
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ISRZZ6NY5R2TBYE72KZFOCO25TEUQTBF/
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.