CVE-2022-2663

CVSS V2 None CVSS V3 Medium 5.3
Description
An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured.
Overview
  • CVE ID
  • CVE-2022-2663
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2022-09-01T21:15:09
  • Last Modified Date
  • 2023-02-12T22:15:28
Weakness Enumerations
CWE URL
CWE-923 http://cwe.mitre.org/data/definitions/923.html
NVD-CWE-Other http://cwe.mitre.org/data/definitions/NVD-Other.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* 1 OR
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663 Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List Third Party Advisory
https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl@dgl.cx/T/ Mailing List Patch Vendor Advisory
https://www.debian.org/security/2022/dsa-5257 Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/08/30/1 Mailing List Third Party Advisory
https://www.youtube.com/watch?v=WIq-YgQuYCA Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-2663
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2663
History
Created Old Value New Value Data Type Notes
2022-09-01 22:00:08 Added to TrackCVE
2023-02-12 23:14:04 2023-02-12T22:15:28 CVE Modified Date updated
2023-02-12 23:14:04 Analyzed Modified Vulnerability Status updated
2023-02-12 23:14:09 Weakness Enumeration update