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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

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

No history.

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

debian

debian_linux

redhat

enterprise_linux

libssh

libssh

fedoraproject

fedora

CWE

CWE-476

NULL Pointer Dereference

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