Original 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 software
- Bash = 4.3 exact match
Details
- Published
- 2017-08-28
- Last modified
- 2026-06-17
- CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H- CWE
- CWE-78
References
- cve.org/CVE-2016-0634
- nvd.nist.gov/vuln/detail/CVE-2016-0634
- rhn.redhat.com/errata/RHSA-2017-0725.html
- www.openwall.com/lists/oss-security/2016/09/16/12
- www.openwall.com/lists/oss-security/2016/09/16/8
- www.openwall.com/lists/oss-security/2016/09/18/11
- www.openwall.com/lists/oss-security/2016/09/19/7
- www.openwall.com/lists/oss-security/2016/09/20/1
- www.openwall.com/lists/oss-security/2016/09/27/9
- www.openwall.com/lists/oss-security/2016/09/29/27
- www.openwall.com/lists/oss-security/2016/10/07/6
- www.openwall.com/lists/oss-security/2016/10/10/3
- www.openwall.com/lists/oss-security/2016/10/10/4
- www.securityfocus.com/bid/92999
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