Vulnerability-Lookup

RHSA-2020:1794

Vulnerability from csaf_opensuse - Published: 2020-04-28 00:00 - Updated: 2026-09-20 11:08

Summary

security update for systemd

Severity

Moderate

Notes

Title of the patch: security update for systemd

Description of the patch: This security update provides a functional equivalent of RHSA-2020:1794. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2020:1794.

Patchnames: RHSA-2020:1794

CVE-2019-3843

4.5 (Medium)


                
                  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

Recommended 12 products

Product	Version	Remediation
Unresolved product id: SUSE Liberty Linux 8:systemd-0:239-29.el8.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-0:239-29.el8.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-container-0:239-29.el8.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-container-0:239-29.el8.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-devel-0:239-29.el8.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-devel-0:239-29.el8.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-journal-remote-0:239-29.el8.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-libs-0:239-29.el8.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-libs-0:239-29.el8.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-pam-0:239-29.el8.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-tests-0:239-29.el8.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:systemd-udev-0:239-29.el8.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2019-3844

4.5 (Medium)


                
                  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

Recommended 12 products, the same list as for CVE-2019-3843

Threats

Impact moderate

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/r…	self
https://www.suse.com/security/cve/CVE-2019-3843/	self
https://www.suse.com/security/cve/CVE-2019-3844/	self
https://www.suse.com/security/cve/CVE-2019-3843	external
https://bugzilla.suse.com/1133506	external
https://www.suse.com/security/cve/CVE-2019-3844	external
https://bugzilla.suse.com/1133509	external

JSON

To clipboard

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          "text": "It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the UID/GID will be recycled.",
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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          "text": "It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the GID will be recycled.",
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  ]
}

CVE-2019-3843 (GCVE-0-2019-3843)

Vulnerability from cvelistv5 – Published: 2019-04-26 20:27 – Updated: 2025-06-09 15:49

Summary

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the UID/GID will be recycled.

Severity

4.5 (Medium)


                        
                          CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-09 15:49 UTC

CWE

CWE-266

Assigner

redhat redhat root

References

7 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://www.securityfocus.com/bid/108116	vdb-entryx_refsource_BID
https://security.netapp.com/advisory/ntap-2019061…	x_refsource_CONFIRM
https://usn.ubuntu.com/4269-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.apache.org/thread.html/rf4c02775860…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r58af02e294b…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
[freedesktop.org]	systemd	Affected: 242

Show details on NVD website

JSON

To clipboard

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CVE-2019-3844 (GCVE-0-2019-3844)

Vulnerability from cvelistv5 – Published: 2019-04-26 20:26 – Updated: 2025-06-09 15:49

Summary

It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the GID will be recycled.

Severity

4.5 (Medium)


                        
                          CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-09 15:49 UTC

CWE

CWE-268

Assigner

redhat redhat root

References

6 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/108096	vdb-entryx_refsource_BID
https://security.netapp.com/advisory/ntap-2019061…	x_refsource_CONFIRM
https://usn.ubuntu.com/4269-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.apache.org/thread.html/rf4c02775860…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r58af02e294b…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
[freedesktop.org]	systemd	Affected: 242

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

RHSA-2020:1794

CVE-2019-3843 (GCVE-0-2019-3843)

CVE-2019-3844 (GCVE-0-2019-3844)

Tags

Sightings

Nomenclature

Related by attack behaviour