UBUNTU-CVE-2021-44512
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-44512
Summary:
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: https://ubuntu.com/security/CVE-2021-44512, https://www.openwall.com/lists/oss-security/2021/12/06/2, https://bugzilla.suse.com/show_bug.cgi?id=1189388, https://github.com/tmate-io/tmate-ssh-server/commit/1c020d1f5ca462f5b150b46a027aaa1bbe3c9596, https://www.cve.org/CVERecord?id=CVE-2021-44512
Affected packages
Package
Name: tmate-ssh-server
Purl: pkg:deb/ubuntu/tmate-ssh-server?arch=source&distro=jammy
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
2.3.0-49-g97d20249-1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
