CVE-2016-0634
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The expansion of '\h' in the prompt string in bash 4.3 allows remote authenticated users to execute arbitrary code via shell metacharacters placed in 'hostname' of a machine.
Predictions
Exploit likelihood
83%
Patch ETA
—
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 — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.4-1 |
| debian | bullseye | fixed | 4.4-1 |
| debian | forky | fixed | 4.4-1 |
| debian | sid | fixed | 4.4-1 |
| debian | trixie | fixed | 4.4-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnu | bash | 4.3 | |
References
- https://www.suse.com/security/cve/CVE-2016-0634.html
- http://rhn.redhat.com/errata/RHSA-2017-0725.html
- http://www.openwall.com/lists/oss-security/2016/09/16/12
- http://www.openwall.com/lists/oss-security/2016/09/16/8
- http://www.openwall.com/lists/oss-security/2016/09/18/11
- http://www.openwall.com/lists/oss-security/2016/09/19/7
- http://www.openwall.com/lists/oss-security/2016/09/20/1
- http://www.openwall.com/lists/oss-security/2016/09/27/9
- http://www.openwall.com/lists/oss-security/2016/09/29/27
- http://www.openwall.com/lists/oss-security/2016/10/07/6
- http://www.openwall.com/lists/oss-security/2016/10/10/3
- http://www.openwall.com/lists/oss-security/2016/10/10/4
- http://www.securityfocus.com/bid/92999
- https://access.redhat.com/errata/RHSA-2017:1931
- https://bugzilla.redhat.com/show_bug.cgi?id=1377613
- https://security.gentoo.org/glsa/201612-39
- https://security-tracker.debian.org/tracker/CVE-2016-0634
CWEs
CWE-78
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.