CVE-2023-51767
First published: Sun Dec 24 2023(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 Traffix Systems Signaling Delivery Controller | =5.2.0=5.1.0 | |
| debian/openssh | <=1:8.4p1-5+deb11u3<=1:8.4p1-5+deb11u4<=1:9.2p1-2+deb12u4<=1:9.2p1-2+deb12u5<=1:9.9p1-3<=1:9.9p2-1 | |
| OpenSSH | ||
| Fedora | =39 | |
| Red Hat Enterprise Linux | =8.0 | |
| Red Hat Enterprise Linux | =9.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://arxiv.org/abs/2309.02545
- https://github.com/openssh/openssh-portable/blob/8241b9c0529228b4b86d88b1a6076fb9f97e4a99/auth-passwd.c#L77
- https://github.com/openssh/openssh-portable/blob/8241b9c0529228b4b86d88b1a6076fb9f97e4a99/monitor.c#L878
- https://access.redhat.com/security/cve/CVE-2023-51767
- https://bugzilla.redhat.com/show_bug.cgi?id=2255850
- https://ubuntu.com/security/CVE-2023-51767
- https://security.netapp.com/advisory/ntap-20240125-0006/
- https://launchpad.net/bugs/cve/CVE-2023-51767
- https://my.f5.com/manage/s/article/K000138643
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2255851
- https://bugzilla.mindrot.org/show_bug.cgi?id=3656
- https://security-tracker.debian.org/tracker/CVE-2023-51767
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-51767
- https://nvd.nist.gov/vuln/detail/CVE-2023-51767
Frequently Asked Questions
What is the severity of CVE-2023-51767?
CVE-2023-51767 is considered to have a moderate severity due to the potential for authentication bypass via row hammer attacks.
How do I fix CVE-2023-51767?
To mitigate CVE-2023-51767, upgrade OpenSSH to a version later than 9.6 that addresses this vulnerability.
Which software is affected by CVE-2023-51767?
CVE-2023-51767 affects OpenSSH versions up to and including 9.6, as well as specific versions of F5 Traffix SDC.
Can CVE-2023-51767 allow an attacker to bypass authentication?
Yes, CVE-2023-51767 may allow an attacker to bypass authentication under certain conditions due to a flaw in the authentication process.
What are row hammer attacks in relation to CVE-2023-51767?
Row hammer attacks exploit bit flips in DRAM to manipulate data, potentially allowing unauthorized access in the context of CVE-2023-51767.
- agent/type
- agent/remedy
- agent/first-publish-date
- agent/author
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-51767
- agent/last-modified-date
- agent/source
- collector/f5-advisory
- source/F5
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/softwarecombine
- collector/security-tracker-debian
- source/Debian
- agent/tags
- agent/event
- collector/nvd-api
- source/NVD
- collector/nvd-cve
- vendor/f5
- canonical/f5 traffix systems signaling delivery controller
- version/f5 traffix systems signaling delivery controller/5.2.0
- version/f5 traffix systems signaling delivery controller/5.1.0
- package-manager/debian
- vendor/openbsd
- canonical/openssh
- vendor/fedoraproject
- canonical/fedora
- version/fedora/39
- vendor/redhat
- canonical/red hat enterprise linux
- version/red hat enterprise linux/8.0
- version/red hat enterprise linux/9.0