CVE-2020-1983

CVSS V2 Low 2.1 CVSS V3 Medium 6.5
Description
A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.
Overview
  • CVE ID
  • CVE-2020-1983
  • Assigner
  • psirt@paloaltonetworks.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-04-22T20:15:11
  • Last Modified Date
  • 2023-01-27T18:40:38
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:libslirp_project:libslirp:*:*:*:*:*:*:*:* 1 OR 4.2.0
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2
  • Impact Score
  • 4
References
Reference URL Reference Tags
https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20 Exploit Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04 Patch Third Party Advisory
https://www.debian.org/security/2020/dsa-4665 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/ Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html Third Party Advisory
https://usn.ubuntu.com/4372-1/
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-1983
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1983
History
Created Old Value New Value Data Type Notes
2022-05-10 16:39:45 Added to TrackCVE
2022-12-04 15:28:51 2020-04-22T20:15Z 2020-04-22T20:15:11 CVE Published Date updated
2022-12-04 15:28:51 2020-07-26T14:15:13 CVE Modified Date updated
2022-12-04 15:28:51 Undergoing Analysis Vulnerability Status updated
2023-01-27 19:10:06 2023-01-27T18:40:38 CVE Modified Date updated
2023-01-27 19:10:06 Undergoing Analysis Analyzed Vulnerability Status updated