NULL Pointer Dereference Affecting libssh package, versions <0:0.9.6-10.el8_8
Threat Intelligence
EPSS
0.11% (45th
percentile)
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Test your applications- Snyk ID SNYK-ORACLE8-LIBSSH-5747739
- published 30 Jun 2023
- disclosed 26 May 2023
Introduced: 26 May 2023
CVE-2023-1667 Open this link in a new tabHow to fix?
Upgrade Oracle:8 libssh to version 0:0.9.6-10.el8_8 or higher.
This issue was patched in ELSA-2023-3839.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libssh package and not the libssh package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
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.
References
- https://linux.oracle.com/cve/CVE-2023-1667.html
- https://linux.oracle.com/errata/ELSA-2023-3839.html
- 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.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/
- 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://security.gentoo.org/glsa/202312-05
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