Vulnerability in Trustedcomputinggroup Trousers
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 · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Trustedcomputinggroup Trousers
- Fedoraproject Fedora — versions 33
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceforge.net/p/trousers/mailman/message/37015817/ (Exploit, Mailing List, Third Party Advisory, Mitigation)
- bugzilla.suse.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch (Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/08/14/1 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2020-24332?
- CVE-2020-24332 is a medium-severity vulnerability in Trustedcomputinggroup Trousers, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2020-08-13.
- How severe is CVE-2020-24332?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-24332 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.