Vulnerability Details : CVE-2021-44512
World-writable permissions on the /tmp/tmate/sessions directory in tmate-ssh-server 2.3.0 allow a local attacker to compromise the integrity of session handling, or obtain the read-write session ID from a read-only session symlink in this directory.
Products affected by CVE-2021-44512
- cpe:2.3:a:tmate:tmate-ssh-server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-44512
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-44512
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST | |
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2021-44512
-
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-44512
-
https://github.com/tmate-io/tmate-ssh-server/commit/1c020d1f5ca462f5b150b46a027aaa1bbe3c9596
Harden /tmp/tmate directory · tmate-io/tmate-ssh-server@1c020d1 · GitHubPatch;Third Party Advisory
-
https://www.openwall.com/lists/oss-security/2021/12/06/2
oss-security - tmate-ssh-server: Local Privilege Escalation Issues and DoS issues (CVE-2021-44512, CVE-2021-44513)Mailing List;Third Party Advisory
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