PT-2020-15682 · Trousers+7 · Trousers+7

Matthias Gerstner · Published 2020-08-13 · Updated 2024-08-24 · CVE-2020-24330

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TrouSerS versions prior to 0.3.14

Description An issue was discovered where the tcsd daemon fails to drop the root gid privilege when no longer needed if it is started with root privileges instead of by the tss user.

Recommendations For versions prior to 0.3.14, ensure the tcsd daemon is started by the tss user instead of with root privileges to prevent the issue.

Exploit

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

ALSA-2021:1627

ALT-PU-2021-1148

ALT-PU-2021-1350

ALT-PU-2024-11154

AZL-6925

CESA-2021_1627

CVE-2020-24330

MGASA-2021-0297

RHSA-2021:1627

RHSA-2021_1627

RLSA-2021:1627

SUSE-SU-2022:2798-1

SUSE-SU-2022:2800-1

SUSE-SU-2022_2798-1

SUSE-SU-2022_2800-1

Affected Products

Alt Linux

Almalinux

Centos

Debian

Red Hat

Rocky Linux

Suse

Trousers

References · 35

• 🔥 http://openwall.com/lists/oss-security/2020/08/14/1 · Exploit
• 🔥 https://sourceforge.net/p/trousers/mailman/message/37015817 · Exploit
• 🔥 https://bugzilla.suse.com/show_bug.cgi?id=1164472 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2022:2800-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-24330 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-24330 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:2798-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD · Vendor Advisory
• https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch · Patch
• https://osv.dev/vulnerability/CVE-2020-24330 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0297.html · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-24330 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-6925 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2021-0297 · Vendor Advisory