Ubuntu update for python-py

1) Resource exhaustion

EUVDB-ID: #VU65859

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-2020-29651

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can preform compute-time denial of service attack by supplying malicious input to the blame functionality.

Mitigation

Update the affected package python-py to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

python-py (Ubuntu package): before 1.5.2-1ubuntu0.1

python3-py (Ubuntu package): before 1.5.2-1ubuntu0.1

pypy-py (Ubuntu package): before 1.5.2-1ubuntu0.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:18.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:python-py_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:python3-py_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:pypy-py_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5138-1

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.