CVE-2016-0634 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.5