DEBIAN-CVE-2021-44512

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Source
https://security-tracker.debian.org/tracker/CVE-2021-44512
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-44512.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-44512
Upstream
Published
2021-12-07T03:15:07Z
Modified
2025-09-30T05:16:29.678317Z
Severity
  • 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / tmate-ssh-server

Package

Name
tmate-ssh-server
Purl
pkg:deb/debian/tmate-ssh-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.3.0-49-g97d20249-1
2.3.0-68-gd7334ee4-1
2.3.0-68-gd7334ee4-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / tmate-ssh-server

Package

Name
tmate-ssh-server
Purl
pkg:deb/debian/tmate-ssh-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-68-gd7334ee4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / tmate-ssh-server

Package

Name
tmate-ssh-server
Purl
pkg:deb/debian/tmate-ssh-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-68-gd7334ee4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}