CVE-2016-0634

7.5 HIGH

Published: August 28, 2017 Modified: May 13, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2017-0725.html

Source: secalert_us@oracle.com

http://www.openwall.com/lists/oss-security/2016/09/16/12

Source: secalert_us@oracle.com

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/16/8

Source: secalert_us@oracle.com

Mailing List Patch Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/18/11

Source: secalert_us@oracle.com

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/19/7

Source: secalert_us@oracle.com

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/20/1

Source: secalert_us@oracle.com

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/27/9

Source: secalert_us@oracle.com

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/29/27

Source: secalert_us@oracle.com

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/10/07/6

Source: secalert_us@oracle.com

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/10/10/3

Source: secalert_us@oracle.com

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/10/10/4

Source: secalert_us@oracle.com

Mailing List Third Party Advisory

http://www.securityfocus.com/bid/92999

Source: secalert_us@oracle.com

Third Party Advisory VDB Entry

https://access.redhat.com/errata/RHSA-2017:1931

Source: secalert_us@oracle.com

https://bugzilla.redhat.com/show_bug.cgi?id=1377613

Source: secalert_us@oracle.com

Issue Tracking Patch Third Party Advisory VDB Entry

https://security.gentoo.org/glsa/201612-39

Source: secalert_us@oracle.com

Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2017-0725.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.openwall.com/lists/oss-security/2016/09/16/12

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/16/8

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Patch Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/18/11

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/19/7

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/20/1

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/27/9

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/09/29/27

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/10/07/6

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/10/10/3

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/10/10/4

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

http://www.securityfocus.com/bid/92999

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory VDB Entry

https://access.redhat.com/errata/RHSA-2017:1931

Source: af854a3a-2127-422b-91ae-364da2661108

https://bugzilla.redhat.com/show_bug.cgi?id=1377613

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Patch Third Party Advisory VDB Entry

https://security.gentoo.org/glsa/201612-39

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

30 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

6.0%

92th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-78

Affected Vendors

gnu

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