Anolis OS update for systemd



| Updated: 2025-03-29
Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2019-3842
CVE-2020-13776
CVE-2017-1000082
CWE-ID CWE-264
CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

systemd-udev
Operating systems & Components / Operating system package or component

systemd-tests
Operating systems & Components / Operating system package or component

systemd-pam
Operating systems & Components / Operating system package or component

systemd-libs
Operating systems & Components / Operating system package or component

systemd-journal-remote
Operating systems & Components / Operating system package or component

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

systemd-container
Operating systems & Components / Operating system package or component

systemd
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU18153

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-2019-3842

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to pam_systemd creates a user session using environmental parameters. A local user can spoof an active session and gain additional PolicyKit privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

systemd-udev: before 239-31.0.1

systemd-tests: before 239-31.0.1

systemd-pam: before 239-31.0.1

systemd-libs: before 239-31.0.1

systemd-journal-remote: before 239-31.0.1

systemd-devel: before 239-31.0.1

systemd-container: before 239-31.0.1

systemd: before 239-31.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2021:0165


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.

2) Input validation error

EUVDB-ID: #VU29539

Risk: Low

CVSSv4.0: 7.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear]

CVE-ID: CVE-2020-13776

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to systemd mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

systemd-udev: before 239-31.0.1

systemd-tests: before 239-31.0.1

systemd-pam: before 239-31.0.1

systemd-libs: before 239-31.0.1

systemd-journal-remote: before 239-31.0.1

systemd-devel: before 239-31.0.1

systemd-container: before 239-31.0.1

systemd: before 239-31.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2021:0165


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.

3) Input validation error

EUVDB-ID: #VU29540

Risk: Low

CVSSv4.0: 7.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear]

CVE-ID: CVE-2017-1000082

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to systemd fails to safely parse usernames starting with a numeric digit (e.g. "0day"), running the service in question with root privileges rather than the user intended.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

systemd-udev: before 239-31.0.1

systemd-tests: before 239-31.0.1

systemd-pam: before 239-31.0.1

systemd-libs: before 239-31.0.1

systemd-journal-remote: before 239-31.0.1

systemd-devel: before 239-31.0.1

systemd-container: before 239-31.0.1

systemd: before 239-31.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2021:0165


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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