Vulnerability Monitor

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CVE-2020-24332

An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the creation of the system.data file is prone to symlink attacks. The tss user can be used to create or corrupt existing files, which could possibly lead to a DoS attack.

Published

2020-08-13T17:15:13.580

Last Modified

2024-11-21T05:14:36.283

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-59

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	trustedcomputinggroup	trousers	≤ 0.3.14	Yes
Operating System	fedoraproject	fedora	33	Yes

References

http://www.openwall.com/lists/oss-security/2020/08/14/1 Exploit, Mailing List, Third Party Advisory ([email protected])
https://bugzilla.suse.com/show_bug.cgi?id=1164472 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/ ([email protected])
https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch Mailing List, Patch, Third Party Advisory ([email protected])
https://sourceforge.net/p/trousers/mailman/message/37015817/ Exploit, Mailing List, Mitigation, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2020/08/14/1 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.suse.com/show_bug.cgi?id=1164472 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/ (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sourceforge.net/p/trousers/mailman/message/37015817/ Exploit, Mailing List, Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)