Denial of service in Twisted

1) Buffer overflow

EUVDB-ID: #VU61017

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-2022-21716

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Twisted Web: 21.7.0 - 22.1.0

CPE2.3

• cpe:2.3:a:twisted:twisted:21.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:twisted:twisted:22.1.0:*:*:*:*:*:*:*

External links

https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9
https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgx
https://twistedmatrix.com/trac/ticket/10284
https://github.com/twisted/twisted/releases/tag/twisted-22.2.0

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.