CVE-2021-4115
"Polkit Process Exhaustion Crash Vulnerability"
Description
There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned
INFO
Published Date :
Feb. 21, 2022, 10:15 p.m.
Last Modified :
Nov. 7, 2023, 3:40 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2021-4115
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-4115.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html | |
| https://access.redhat.com/security/cve/cve-2021-4115 | Third Party Advisory |
| https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e | Patch Third Party Advisory |
| https://gitlab.freedesktop.org/polkit/polkit/-/issues/141 | Exploit Issue Tracking Patch Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/ | |
| https://www.oracle.com/security-alerts/cpujul2022.html | Patch Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-4115 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4115 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/ [No types assigned] Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/ -
CVE Modified by [email protected]
Jun. 12, 2023
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html [No Types Assigned] -
Modified Analysis by [email protected]
Aug. 09, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/ Mailing List, Third Party Advisory Changed Reference Type https://www.oracle.com/security-alerts/cpujul2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory Removed CWE NIST CWE-400 Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 25, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujul2022.html [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 04, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://access.redhat.com/security/cve/cve-2021-4115 No Types Assigned https://access.redhat.com/security/cve/cve-2021-4115 Third Party Advisory Changed Reference Type https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e No Types Assigned https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e Patch, Third Party Advisory Changed Reference Type https://gitlab.freedesktop.org/polkit/polkit/-/issues/141 No Types Assigned https://gitlab.freedesktop.org/polkit/polkit/-/issues/141 Exploit, Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/ Third Party Advisory Added CWE NIST CWE-400 Added CPE Configuration OR *cpe:2.3:a:polkit_project:polkit:0.117:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 03, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4115 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-4115
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.11 }} 0.03%
score
0.42864
percentile