CVE-2021-3621
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Fedoraproject Sssd
PublishedDec 23, 2021
First seenDec 23, 2021
Weakness typeCWE-77Command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fedoraproject sssd | 2.6.0 | — |
| redhat virtualization | 4.0 | — |
| redhat virtualization_host | 4.0 | — |
| redhat enterprise_linux | 6.0, 7.0, 8.0 | — |
| redhat enterprise_linux_eus | 8.1, 8.2 | — |
| redhat enterprise_linux_server_aus | 8.2, 8.4 | — |
| redhat enterprise_linux_server_tus | 8.2, 8.4 | — |
| fedoraproject fedora | 34 | — |
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