Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-3621 |
CWE-ID | CWE-77 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
openEuler Operating systems & Components / Operating system sssd-help Operating systems & Components / Operating system package or component sssd-debugsource Operating systems & Components / Operating system package or component sssd-debuginfo Operating systems & Components / Operating system package or component sssd-devel Operating systems & Components / Operating system package or component python3-sssd Operating systems & Components / Operating system package or component python2-sssd Operating systems & Components / Operating system package or component sssd Operating systems & Components / Operating system package or component |
Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU56000
Risk: Medium
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3621
CWE-ID:
CWE-77 - Command injection
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper input validation in the sssctl command within the logs-fetch and cache-expire subcommands. An attacker can trick the root user into running a specially crafted sssctl command, such as via sudo, and execute arbitrary code with root privileges.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 20.03 LTS SP2
sssd-help: before 2.2.2-10
sssd-debugsource: before 2.2.2-10
sssd-debuginfo: before 2.2.2-10
sssd-devel: before 2.2.2-10
python3-sssd: before 2.2.2-10
python2-sssd: before 2.2.2-10
sssd: before 2.2.2-10
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1340
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.