CVE-2020-24330
published 2020-08-13CVE-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…
PriorityP338high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.49%
38.2th percentile
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.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | trousers | < trousers 0.3.15-0.1 (bookworm) | trousers 0.3.15-0.1 (bookworm) |
| fedoraproject | fedora | — | — |
| msrc | cbl2_trousers_0.3.14-7_on_cbl_mariner_2.0 | — | — |
| msrc | cm1_trousers_0.3.14-6_on_cbl_mariner_1.0 | — | — |
| trousers_project | trousers | <= 0.3.14 | — |
| trousers_project | trousers | >= 0 < 0.3.15-0.1 | 0.3.15-0.1 |
| trousers_project | trousers | >= 0 < 0.3.15-0.1 | 0.3.15-0.1 |
| trousers_project | trousers | >= 0 < 0.3.15-0.1 | 0.3.15-0.1 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
osv7.8HIGH
vendor_debian7.8LOW
vendor_msrc7.8HIGH
vendor_redhat7.8HIGH
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GHSA
GHSA-phqh-fwjq-q59q: An issue was discovered in TrouSerS through 0
ghsa_unreviewed·2022-05-24
CVE-2020-24330 [HIGH] CWE-269 GHSA-phqh-fwjq-q59q: An issue was discovered in TrouSerS through 0
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.
OSV
CVE-2020-24330: An issue was discovered in TrouSerS through 0
osv·2020-08-13·CVSS 7.8
CVE-2020-24330 [HIGH] CVE-2020-24330: An issue was discovered in TrouSerS through 0
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.
Red Hat
trousers: fails to drop the root gid privilege when no longer needed
vendor_redhat·2020-09-02·CVSS 7.8
CVE-2020-24330 [HIGH] CWE-271 trousers: fails to drop the root gid privilege when no longer needed
trousers: fails to drop the root gid privilege when no longer needed
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.
Package: trousers (Red Hat Enterprise Linux 5) - Out of support scope
Package: trousers (Red Hat Enterprise Linux 6) - Out of support scope
Package: trousers (Red Hat Enterprise Linux 7) - Fix deferred
Microsoft
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.
vendor_msrc·2020-08-11·CVSS 7.8
CVE-2020-24330 [HIGH] CWE-269 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.
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.
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to
Debian
CVE-2020-24330: trousers - An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is starte...
vendor_debian·2020·CVSS 7.8
CVE-2020-24330 [HIGH] CVE-2020-24330: trousers - An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is starte...
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.
Scope: local
bookworm: resolved (fixed in 0.3.15-0.1)
bullseye: open
forky: resolved (fixed in 0.3.15-0.1)
sid: resolved (fixed in 0.3.15-0.1)
trixie: resolved (fixed in 0.3.15-0.1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-24330 trousers: fails to drop the root gid privilege when no longer needed [fedora-all]
bugzilla·2020-09-02·CVSS 7.8
CVE-2020-24330 [HIGH] CVE-2020-24330 trousers: fails to drop the root gid privilege when no longer needed [fedora-all]
CVE-2020-24330 trousers: fails to drop the root gid privilege when no longer needed [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple
Bugzilla
CVE-2020-24330 trousers: fails to drop the root gid privilege when no longer needed
bugzilla·2020-08-19·CVSS 7.8
CVE-2020-24330 [HIGH] CVE-2020-24330 trousers: fails to drop the root gid privilege when no longer needed
CVE-2020-24330 trousers: fails to drop the root gid privilege when no longer needed
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.
External Reference:
https://www.openwall.com/lists/oss-security/2020/08/14/1
Discussion:
Created trousers tracking bugs for this issue:
Affects: fedora-all [bug 1874824]
---
Upstream patch for this issue:
https://sourceforge.net/p/trousers/trousers/ci/e74dd1d96753b0538192143adf58d04fcd3b242b/
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8
Via RHSA-2021:1627 https://access.redhat.com/errata/RHSA-2021:1627
---
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):
http
http://www.openwall.com/lists/oss-security/2020/08/14/1https://bugzilla.suse.com/show_bug.cgi?id=1164472https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patchhttps://sourceforge.net/p/trousers/mailman/message/37015817/http://www.openwall.com/lists/oss-security/2020/08/14/1https://bugzilla.suse.com/show_bug.cgi?id=1164472https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patchhttps://sourceforge.net/p/trousers/mailman/message/37015817/
2020-08-13
Published