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CVE-2016-0634

Date: August 28, 2017

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.

Language: C

Severity Score

Related Resources (18)

http://www.openwall.com/lists/oss-security/2016/09/29/27
http://www.openwall.com/lists/oss-security/2016/10/10/4
https://bugzilla.redhat.com/show_bug.cgi?id=1377613
http://www.openwall.com/lists/oss-security/2016/10/07/6
http://rhn.redhat.com/errata/RHSA-2017-0725.html
http://www.openwall.com/lists/oss-security/2016/09/20/1
https://access.redhat.com/security/cve/CVE-2016-0634
http://www.openwall.com/lists/oss-security/2016/09/16/12
https://access.redhat.com/errata/RHSA-2017:1931
http://www.securityfocus.com/bid/92999
https://security.gentoo.org/glsa/201612-39
http://www.openwall.com/lists/oss-security/2016/10/10/3
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/2016/09/27/9
http://www.openwall.com/lists/oss-security/2016/09/19/7
https://nvd.nist.gov/vuln/detail/CVE-2016-0634
https://www.mend.io/vulnerability-database/CVE-2016-0634

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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