openEuler 22.03 LTS SP1 update for python3

1) Input validation error

EUVDB-ID: #VU82980

Risk: Medium

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

CVE-ID: CVE-2023-27043

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass filtration.

The vulnerability exists due to insufficient validation of user-supplied input when parsing email address with a special character. A remote attacker can bypass a protection mechanism in which application access is granted only after verifying receipt of e-mail to a specific domain.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP1

python3-help: before 3.9.9-34

python3-unversioned-command: before 3.9.9-34

python3-devel: before 3.9.9-34

python3-debugsource: before 3.9.9-34

python3-debuginfo: before 3.9.9-34

python3-debug: before 3.9.9-34

python3: before 3.9.9-34

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP1:*:*:*:*:*:*
• cpe:2.3:o:openeuler:python3-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-unversioned-command:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-debug:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3:*:*:*:*:*:openeuler:*:*

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2421

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.