Ubuntu update for twisted

1) Buffer overflow

EUVDB-ID: #VU61017

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-2022-21716

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

Update the affected package twisted to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 22.04

python3-twisted (Ubuntu package): before 22.1.0-2ubuntu2.1

python-twisted-web (Ubuntu package): before 17.9.0-2ubuntu0.3

python-twisted-bin (Ubuntu package): before 17.9.0-2ubuntu0.3

python-twisted (Ubuntu package): before 17.9.0-2ubuntu0.3

External links

http://ubuntu.com/security/notices/USN-5354-2

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.