What’s Vulnerable › Vulnerabilities

CVE-2020-24332

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-08-13 · updated 2026-06-17
• Weakness: CWE-59

Description

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.

Affected products

• Fedoraproject Fedora: 33
• Trustedcomputinggroup Trousers: through 0.3.14

References

• http://www.openwall.com/lists/oss-security/2020/08/14/1
• https://bugzilla.suse.com/show_bug.cgi?id=1164472
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/
• https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch
• https://sourceforge.net/p/trousers/mailman/message/37015817/
• http://www.openwall.com/lists/oss-security/2020/08/14/1
• https://bugzilla.suse.com/show_bug.cgi?id=1164472
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/
• https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch
• https://sourceforge.net/p/trousers/mailman/message/37015817/

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