QID 670969

Date Published: 2021-11-24

QID 670969: EulerOS Security Update for sssd (EulerOS-SA-2021-2675)

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a plug-gable back-end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy services for projects like FreeIPA. The sssd sub-package is a meta-package that contains the daemon as well as all the existing back ends. Security Fix(es): A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.(CVE-2021-3621)
Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

An arbitrary attacker may exploit this vulnerability to compromise the system.

  • CVSS V3 rated as Medium - 4.2 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    The Vendor has released a security update to fix the vulnerability. For more information please visit EulerOS-SA-2021-2675 for updates and patch information
    Vendor References

    CVEs related to QID 670969

    CVE-2021-3621 |
    Software Advisories
    Advisory ID Software Component Link
    EulerOS-SA-2021-2675 EulerOS V2.0SP5 URL Logo developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-2675
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