CVE-2023-1667

EPSS 1.15%
Published 26.05.2023 18:15:10
Last modified 21.11.2024 07:39:39
Source secalert@redhat.com
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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.

Affected products Warnungen 0 Metrics 2 CWE 1 References 9

Data is provided by the National Vulnerability Database (NVD)

Libssh ≫ Libssh Version >= 0.9.1 <= 0.9.6

Libssh ≫ Libssh Version >= 0.10.0 <= 0.10.4

Fedoraproject ≫ Fedora Version37

Debian ≫ Debian Linux Version10.0

Redhat ≫ Enterprise Linux Version8.0

Redhat ≫ Enterprise Linux Version9.0

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	1.15%	0.778

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	6.5	2.8	3.6	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html

Third Party Advisory

Mailing List

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

Third Party Advisory

Issue Tracking

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/

https://nvd.nist.gov/vuln/detail/CVE-2023-1667

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2023-1667

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2023-1667

EUVD