openEuler 20.03 LTS SP3 update for python3

1) Race condition

EUVDB-ID: #VU82079

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-48566

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information,

The vulnerability exists due to a race condition in compare_digest in Lib/hmac.py. A remote attacker can exploit the race and gain unauthorized access to sensitive information.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP3

python3-help: before 3.7.9-35

python3-debuginfo: before 3.7.9-35

python3-debug: before 3.7.9-35

python3-devel: before 3.7.9-35

python3-debugsource: before 3.7.9-35

python3: before 3.7.9-35

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
• cpe:2.3:o:openeuler:python3-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-debug:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:o:openeuler:python3:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1640

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.