This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2016-20012 →
DEBIAN-CVE-2016-20012
OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and public key is known to an SSH server, to...
Original description
The description as published by the source.
OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and public key is known to an SSH server, to test whether this suspicion is correct. This occurs because a challenge is sent only when that combination could be valid for a login session. NOTE: the vendor does not recognize user enumeration as a vulnerability for this product
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
openssh
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
openssh
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
openssh
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- advisory security-tracker.debian.org