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Fencer Intel
medium 5.5

CVE-2020-24332 json

An issue was discovered in TrouSerS through 0.3.14.

published 6y ago modified 4mo ago also EUVD-2020-17066

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

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.

Patch / fix

  • trousers Debian 14, Debian 13, Debian 12 0.3.15-0.1

debian advisories DEBIAN-CVE-2020-24332

  • trousers RHEL 8 0.3.15-1.el8
  • trousers-lib RHEL 8 0.3.15-1.el8

red hat advisories RHSA-2021:1627

  • trousers openSUSE Tumbleweed 0.3.15-1.7

opensuse advisories openSUSE-SU-2024:11476-1

  • trousers AlmaLinux 8 0.3.15-1.el8
  • trousers-lib AlmaLinux 8 0.3.15-1.el8

almalinux advisories ALSA-2021:1627

  • trousers Rocky Linux 8 0.3.15-1.el8

rocky linux advisories RLSA-2021:1627

  • trousers CBL-Mariner 2.0 0.3.14-7

azure linux advisories AZL-6927

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Is CVE-2020-24332 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-24332 updated cvss 5.5

trousers: tss user can be used to create or corrupt existing files, this could lead to DoS

  • Red Hat Enterprise Linux 5 trousers Red Hat Enterprise Linux 6 trousers
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 trousers
    affected: no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder (v. 8) trousers-devel 0.3.15-1.el8, trousers-debuginfo 0.3.15-1.el8, trousers-debugsource 0.3.15-1.el8, trousers-lib-debuginfo 0.3.15-1.el8 Red Hat Enterprise Linux BaseOS (v. 8) trousers 0.3.15-1.el8, trousers-lib 0.3.15-1.el8
    fixed: vendor fix RHSA-2021:1627

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • sourceforge.net https://sourceforge.net/p/trousers/mailman/message/37015817/ referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.suse.com https://bugzilla.suse.com/show_bug.cgi?id=1164472 referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2020/08/14/1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.