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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://bugzilla.suse.com/show_bug.cgi?id=1164472	Exploit Issue Tracking Third Party Advisory
https://sourceforge.net/p/trousers/mailman/message/37015817/	Exploit Mailing List Mitigation Third Party Advisory
https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/08/14/1	Exploit Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:trustedcomputinggroup:trousers:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Information

Published : 2020-08-13 10:15

Updated : 2022-11-18 13:19

NVD link : CVE-2020-24332

Mitre link : CVE-2020-24332

JSON object : View

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

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Products Affected

trustedcomputinggroup

trousers

fedoraproject

fedora

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