CVE-2016-0634 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.
HighCVSS 7.5
EPSS 6.0%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/bash(Debian:12) | < 4.4-1 | 4.4-1 |
| debian/bash(Debian:13) | < 4.4-1 | 4.4-1 |
| debian/bash(Debian:14) | < 4.4-1 | 4.4-1 |
| GNU bash | = 4.3 | No fix listed |
| alpine/bash(Alpine:v3.10) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.11) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.12) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.13) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.14) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.15) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.16) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.17) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.18) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.19) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.20) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.21) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.22) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.23) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.24) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.7) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.8) | < 4.4.12-r1 | 4.4.12-r1 |
| alpine/bash(Alpine:v3.9) | < 4.4.12-r1 | 4.4.12-r1 |
References
- Debian Security Tracker CVE-2016-0634 vendor-advisory
- RHSA-2017:0725 vendor-advisory
- [oss-security] 20160916 Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list third-party-advisory
- [oss-security] 20160916 CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list patch third-party-advisory
- [oss-security] 20160918 Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list third-party-advisory
- [oss-security] 20160919 Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list third-party-advisory
- [oss-security] 20160920 Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list third-party-advisory
- [oss-security] 20160927 Re: Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list third-party-advisory
- [oss-security] 20160929 Re: Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list third-party-advisory
- [oss-security] 20161007 Re: Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list third-party-advisory
- [oss-security] 20161010 RE: Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list third-party-advisory
- [oss-security] 20161010 Re: Re: CVE-2016-0634 -- bash prompt expanding $HOSTNAME mailing-list third-party-advisory
- 92999 third-party-advisory vdb-entry
- RHSA-2017:1931 vendor-advisory
- bugzilla.redhat.com issue-tracking patch third-party-advisory vdb-entry
- GLSA-201612-39 third-party-advisory vendor-advisory
- security.alpinelinux.org vendor-advisory