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.

CVSS v3.0 7.0 HIGH
CVSS v2.0 4.4 MEDIUM

7.0^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/tmate-io/tmate-ssh-server/commit/1c020d1f5ca462f5b150b46a027aaa1bbe3c9596	Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/12/06/2	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:tmate:tmate-ssh-server:*:*:*:*:*:*:*:*

Information

Published : 2021-12-06 19:15

Updated : 2022-05-03 09:04

NVD link : CVE-2021-44512

Mitre link : CVE-2021-44512

JSON object : View

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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Products Affected

tmate

tmate-ssh-server

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