| Name | CVE-2016-6515 |
| Description | The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1500-1, DLA-594-1 |
| Debian Bugs | 833823 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openssh (PTS) | bullseye | 1:8.4p1-5+deb11u3 | fixed |
| bullseye (security) | 1:8.4p1-5+deb11u5 | fixed | |
| bookworm | 1:9.2p1-2+deb12u7 | fixed | |
| bookworm (security) | 1:9.2p1-2+deb12u5 | fixed | |
| trixie | 1:10.0p1-7 | fixed | |
| forky | 1:10.0p1-8 | fixed | |
| sid | 1:10.1p1-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openssh | source | wheezy | 1:6.0p1-4+deb7u6 | DLA-594-1 | ||
| openssh | source | jessie | 1:6.7p1-5+deb8u6 | DLA-1500-1 | ||
| openssh | source | (unstable) | 1:7.3p1-1 | 833823 |
Fixed by: https://anongit.mindrot.org/openssh.git/commit/?id=fcd135c9df440bcd2d5870405ad3311743d78d97