PRIOn knowledge basePRION:CVE-2016-0634Code injection
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.6 High
AI Score
Confidence
Low
6 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:P/A:P
0.016 Low
EPSS
Percentile
86.9%
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.
References
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
access.redhat.com/errata/RHSA-2017:1931
bugzilla.redhat.com/show_bug.cgi?id=1377613
security.gentoo.org/glsa/201612-39
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.6 High
AI Score
Confidence
Low
6 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:P/A:P
0.016 Low
EPSS
Percentile
86.9%