Published: 07/12/2021 Updated: 03/05/2022

CVSS v2 Base Score: 4.4 | Impact Score: 6.4 | Exploitability Score: 3.4

CVSS v3 Base Score: 7 | Impact Score: 5.9 | Exploitability Score: 1

VMScore: 392

Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P

World-writable permissions on the /tmp/tmate/sessions directory in tmate-ssh-server 2.3.0 allow a local malicious user to compromise the integrity of session handling, or obtain the read-write session ID from a read-only session symlink in this directory.

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tmate tmate-ssh-server

Debian Bug report logs - #1001225 tmate-ssh-server: CVE-2021-44512 CVE-2021-44513 Package: src:tmate-ssh-server; Maintainer for src:tmate-ssh-server is Adrian Vondendriesch <adrianvondendriesch@credativde>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 6 Dec 2021 16:12:01 UTC Severity: grave Tag ...

CWE-732 https://github.com/tmate-io/tmate-ssh-server/commit/1c020d1f5ca462f5b150b46a027aaa1bbe3c9596 https://www.openwall.com/lists/oss-security/2021/12/06/2 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1001225 https://nvd.nist.gov

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CVE-2021-44512

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