CVE-2016-3116
medium
CVSS v3
6.4
CVSS v4 NEW
โ
VIR risk
7.4
Description
CRLF injection vulnerability in Dropbear SSH before 2016.72 allows remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data.
Predictions
Exploit likelihood
74%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
DropBearSSHD 2015.71 - Command Injection
Source code queued for fetch โ refresh in a moment.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2016.72-1 |
| sid | Fixed | 2016.72-1 |
| forky | Fixed | 2016.72-1 |
| bullseye | Fixed | 2016.72-1 |
| bookworm | Fixed | 2016.72-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| dropbear_ssh_project | dropbear_ssh | {"endIncluding":"2015.71"} | |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179261.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179269.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179870.html
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00105.html
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00113.html
- http://packetstormsecurity.com/files/136251/Dropbear-SSHD-xauth-Command-Injection-Bypass.html
- http://seclists.org/fulldisclosure/2016/Mar/47
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-3115
- https://matt.ucc.asn.au/dropbear/CHANGES
- https://security.gentoo.org/glsa/201607-08
- https://security-tracker.debian.org/tracker/CVE-2016-3116
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.