Vulnerability-Lookup

OPENSUSE-SU-2021:0838-1

Vulnerability from csaf_opensuse - Published: 2021-06-04 08:34 - Updated: 2026-09-20 19:25

Summary

Security update for polkit

Severity

Important

Notes

Title of the patch: Security update for polkit

Description of the patch: This update for polkit fixes the following issues: - CVE-2021-3560: Fixed a local privilege escalation using polkit_system_bus_name_get_creds_sync() (bsc#1186497). This update was imported from the SUSE:SLE-15-SP2:Update update project.

Patchnames: openSUSE-2021-838

CVE-2021-3560

8.4 (High)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Recommended 10 products

Product	Version	Remediation
Unresolved product id: openSUSE Leap 15.2:libpolkit0-0:0.116-lp152.2.3.1.i586	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.2:libpolkit0-0:0.116-lp152.2.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.2:libpolkit0-32bit-0:0.116-lp152.2.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.2:polkit-0:0.116-lp152.2.3.1.i586	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.2:polkit-0:0.116-lp152.2.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.2:polkit-devel-0:0.116-lp152.2.3.1.i586	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.2:polkit-devel-0:0.116-lp152.2.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.2:polkit-doc-0:0.116-lp152.2.3.1.noarch	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.2:typelib-1_0-Polkit-1_0-0:0.116-lp152.2.3.1.i586	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.2:typelib-1_0-Polkit-1_0-0:0.116-lp152.2.3.1.x86_64	—	Vendor Fix

Threats

Impact important

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://lists.opensuse.org/archives/list/security…	self
https://lists.opensuse.org/archives/list/security…	self
https://bugzilla.suse.com/1186497	self
https://www.suse.com/security/cve/CVE-2021-3560/	self
https://www.suse.com/security/cve/CVE-2021-3560	external
https://bugzilla.suse.com/1186497	external

JSON

To clipboard

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          "category": "impact",
          "date": "2021-06-04T08:34:08Z",
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      ],
      "title": "CVE-2021-3560"
    }
  ]
}

CVE-2021-3560 (GCVE-0-2021-3560)

Vulnerability from cvelistv5 – Published: 2022-02-16 00:00 – Updated: 2025-10-21 23:15

Summary

It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-29 21:24 UTC

CWE

CWE-863

Assigner

redhat redhat root

References

5 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1961710
https://github.blog/2021-06-10-privilege-escalati…
http://packetstormsecurity.com/files/172836/polki…
http://packetstormsecurity.com/files/172846/Faceb…
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
n/a	polkit	Affected: polkit 0.119

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/"
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            "url": "http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html"
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              "x_transferred"
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            "url": "http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html"
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        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
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              "scope": "UNCHANGED",
              "userInteraction": "NONE",
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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.

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Action not permitted

OPENSUSE-SU-2021:0838-1

CVE-2021-3560 (GCVE-0-2021-3560)

Tags

Sightings

Nomenclature

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