Privilege escalation in Trousers Project
CVE-2020-24330
An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges instead of by the tss user, it fails to drop the root gid privilege when no longer needed.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Trousers Project
- 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)
- 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-2020-24330?
- CVE-2020-24330 is a high-severity vulnerability in Trousers Project, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2020-08-13.
- How severe is CVE-2020-24330?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-24330 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.