CVE-2023-1667

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-1667
A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://www.libssh.org/security/advisories/CVE-2023-1667.txt Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-1667 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2182199 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/
https://security.gentoo.org/glsa/202312-05
http://www.libssh.org/security/advisories/CVE-2023-1667.txt Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-1667 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2182199 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/
https://security.gentoo.org/glsa/202312-05
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
History

21 Nov 2024, 07:39

Type Values Removed Values Added
References () http://www.libssh.org/security/advisories/CVE-2023-1667.txt - Vendor Advisory () http://www.libssh.org/security/advisories/CVE-2023-1667.txt - Vendor Advisory
References () https://access.redhat.com/security/cve/CVE-2023-1667 - Third Party Advisory () https://access.redhat.com/security/cve/CVE-2023-1667 - Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2182199 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=2182199 - Issue Tracking, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html - Mailing List, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/ -
References () https://security.gentoo.org/glsa/202312-05 - () https://security.gentoo.org/glsa/202312-05 -

22 Dec 2023, 10:15

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/', 'name': 'FEDORA-2023-5fa5ca2043', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/ -
  • () https://security.gentoo.org/glsa/202312-05 -

06 Jun 2023, 15:02

Type Values Removed Values Added
CPE cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2182199 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2182199 - Issue Tracking, Third Party Advisory
References (MISC) https://access.redhat.com/security/cve/CVE-2023-1667 - (MISC) https://access.redhat.com/security/cve/CVE-2023-1667 - Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html - (MLIST) https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/ - Mailing List, Third Party Advisory
References (MISC) http://www.libssh.org/security/advisories/CVE-2023-1667.txt - (MISC) http://www.libssh.org/security/advisories/CVE-2023-1667.txt - Vendor Advisory
CWE CWE-476
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.5

30 May 2023, 00:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html -

28 May 2023, 06:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/ -

26 May 2023, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-05-26 18:15

Updated : 2024-11-21 07:39

NVD link : CVE-2023-1667

Mitre link : CVE-2023-1667

CVE.ORG link : CVE-2023-1667

JSON object : View

Products Affected

libssh

  • libssh

redhat

  • enterprise_linux

debian

  • debian_linux

fedoraproject

  • fedora
CWE
CWE-476

NULL Pointer Dereference