Amazon Linux AMI update for python-twisted-conch

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 packages:

i686:
    python26-twisted-conch-8.2.0-3.2.7.amzn1.i686
    python27-twisted-conch-8.2.0-3.2.7.amzn1.i686

src:
    python-twisted-conch-8.2.0-3.2.7.amzn1.src

x86_64:
    python27-twisted-conch-8.2.0-3.2.7.amzn1.x86_64
    python26-twisted-conch-8.2.0-3.2.7.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2022-1592.html

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.