CVE-2020-25637
Libvirt Polkit Denial of Service and Privilege Escalation Vulnerability
Description
A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients connecting to the read-write socket with limited ACL permissions could use this flaw to crash the libvirt daemon, resulting in a denial of service, or potentially escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
INFO
Published Date :
Oct. 6, 2020, 2:15 p.m.
Last Modified :
April 1, 2024, 1:16 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
0.8
Public PoC/Exploit Available at Github
CVE-2020-25637 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2020-25637.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html | Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1881037 | Issue Tracking Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html | |
| https://security.gentoo.org/glsa/202210-06 | 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).
None
None
Double Free
C
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-25637 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-25637 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]
Apr. 01, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html [No types assigned] -
Modified Analysis by [email protected]
Nov. 07, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202210-06 No Types Assigned https://security.gentoo.org/glsa/202210-06 Third Party Advisory -
CVE Modified by [email protected]
Oct. 16, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202210-06 [No Types Assigned] -
Modified Analysis by [email protected]
Sep. 30, 2022
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 04, 2020
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-416 Added CWE Red Hat, Inc. CWE-415 Removed CWE Reason CWE-416 / More specific CWE option available -
CVE Modified by [email protected]
Nov. 02, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00073.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00072.html [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 08, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1881037 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1881037 Issue Tracking, Patch, Vendor Advisory Added CWE NIST CWE-415 Added CPE Configuration OR *cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* versions up to (excluding) 6.8.0 Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-25637 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-2020-25637
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.12718
percentile