CVE-2020-25637

CVSS V2 High 7.2 CVSS V3 Medium 6.7
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.
Overview
  • CVE ID
  • CVE-2020-25637
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-10-06T14:15:12
  • Last Modified Date
  • 2022-11-07T17:35:10
Weakness Enumerations
CWE URL
CWE-415 http://cwe.mitre.org/data/definitions/415.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* 1 OR 6.8.0
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.7
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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://security.gentoo.org/glsa/202210-06 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-25637
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25637
History
Created Old Value New Value Data Type Notes
2022-05-10 07:31:13 Added to TrackCVE
2022-12-04 23:45:38 2020-10-06T14:15Z 2020-10-06T14:15:12 CVE Published Date updated
2022-12-04 23:45:38 2022-11-07T17:35:10 CVE Modified Date updated
2022-12-04 23:45:38 Analyzed Vulnerability Status updated
2022-12-04 23:45:42 References updated