openEuler update for sudo



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-42465
CWE-ID CWE-287
Exploitation vector Local
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

sudo-help
Operating systems & Components / Operating system package or component

sudo-debugsource
Operating systems & Components / Operating system package or component

sudo-debuginfo
Operating systems & Components / Operating system package or component

sudo-devel
Operating systems & Components / Operating system package or component

sudo
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU85764

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-42465

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to insufficient resistance to rowhammer attacks. A local user can bypass authentication process and gain unauthorized access to the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

sudo-help: before 1.9.2-15

sudo-debugsource: before 1.9.2-15

sudo-debuginfo: before 1.9.2-15

sudo-devel: before 1.9.2-15

sudo: before 1.9.2-15

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1071


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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