CVE-2023-28531
First published: Fri Mar 17 2023(Updated: )
ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Openbsd Openssh | >=8.9<9.3 | |
| Netapp Brocade Fabric Operating System | ||
| Netapp Hci Bootstrap Os | ||
| Netapp Solidfire Element Os | ||
| ubuntu/openssh | <1:8.9 | 1:8.9 |
| ubuntu/openssh | <1:9.0 | 1:9.0 |
| ubuntu/openssh | <9.3 | 9.3 |
| debian/openssh | 1:7.9p1-10+deb10u2 1:7.9p1-10+deb10u4 1:8.4p1-5+deb11u3 1:9.2p1-2+deb12u2 1:9.7p1-4 |
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Reference Links
- https://security.gentoo.org/glsa/202307-01
- https://security.netapp.com/advisory/ntap-20230413-0008/
- https://www.openwall.com/lists/oss-security/2023/03/15/8
- https://security-tracker.debian.org/tracker/CVE-2023-28531
- https://www.cve.org/CVERecord?id=CVE-2023-28531
- https://salsa.debian.org/ssh-team/openssh/-/commit/4e18b76e06ad742416e8a0a77ad768f444c6f5cd
- https://bugs.debian.org/1033166
- https://www.openssh.com/releasenotes.html#9.3p1
- https://security-tracker.debian.org/tracker/CVE-2023-48795
- https://security-tracker.debian.org/tracker/CVE-2023-51384
- https://security-tracker.debian.org/tracker/CVE-2023-51385
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1033166
- https://www.debian.org/security/2023/dsa-5586
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AN2UDTXEUSKFIOIYMV6JNI5VSBMYZOFT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AN2UDTXEUSKFIOIYMV6JNI5VSBMYZOFT/
- https://launchpad.net/bugs/cve/CVE-2023-28531
- https://github.com/openssh/openssh-portable/commit/54ac4ab2b53ce9fcb66b8250dee91c070e4167ed
- https://ubuntu.com/security/notices/USN-6560-1
- https://nvd.nist.gov/vuln/detail/CVE-2023-28531
- https://ubuntu.com/security/CVE-2023-28531
Frequently Asked Questions
What is the severity of CVE-2023-28531?
The severity of CVE-2023-28531 is critical (9.8).
What is the affected software for CVE-2023-28531?
The affected software for CVE-2023-28531 includes OpenSSH versions before 9.3, Brocade Fabric Operating System, HCI Bootstrap OS, and SolidFire Element OS.
How does CVE-2023-28531 impact ssh-add in OpenSSH?
CVE-2023-28531 allows smartcard keys to be added to ssh-agent without the intended per-hop destination constraints.
What is the earliest affected version of OpenSSH for CVE-2023-28531?
The earliest affected version of OpenSSH for CVE-2023-28531 is 8.9.
Where can I find more information about CVE-2023-28531?
You can find more information about CVE-2023-28531 at the following references: [1] https://security.gentoo.org/glsa/202307-01 [2] https://security.netapp.com/advisory/ntap-20230413-0008/ [3] https://www.openwall.com/lists/oss-security/2023/03/15/8
- collector/nvd-index
- collector/debian-bugs
- alias/CVE-2023-28531
- agent/type
- agent/first-publish-date
- agent/severity
- agent/author
- agent/remedy
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/launchpad-cve
- source/Launchpad
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/tags
- collector/nvd-api
- agent/software-canonical-lookup-request
- vendor/openbsd
- canonical/openbsd openssh
- version/openbsd openssh/8.9
- vendor/netapp
- canonical/netapp brocade fabric operating system
- canonical/netapp hci bootstrap os
- canonical/netapp solidfire element os
- package-manager/debian
- package-manager/ubuntu