Anolis OS update for python3

1) CRLF injection

EUVDB-ID: #VU48592

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-26116

CWE-ID: CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to inject arbitrary data in server response.

The vulnerability exists due to insufficient validation of attacker-supplied data in "http.client". A remote attacker can pass specially crafted data to the application containing CR-LF characters and modify application behavior.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

python3-tkinter: before 3.6.8-24.0.1

python3-test: before 3.6.8-24.0.1

python3-libs: before 3.6.8-24.0.1

python3-idle: before 3.6.8-24.0.1

platform-python-devel: before 3.6.8-24.0.1

platform-python-debug: before 3.6.8-24.0.1

platform-python: before 3.6.8-24.0.1

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:8:*:*:*:*:*:*:*
• cpe:2.3:a:openanolis:python3-tkinter:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-test:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-libs:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-idle:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:platform-python-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:platform-python-debug:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:platform-python:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2021:0167

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.