CVE-2023-1667
Published: October 18, 2023Last modified: October 18, 2023
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libssh | Not affected (0.10.5-r0) |
| Stream | libssh | Not affected (0.10.5-r0) |
References
- http://www.libssh.org/security/advisories/CVE-2023-1667.txt
- https://access.redhat.com/security/cve/CVE-2023-1667
- https://bugzilla.redhat.com/show_bug.cgi?id=2182199
- https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/
- https://security.gentoo.org/glsa/202312-05