Bash Vulnerability Allowing Code Execution via Hostname Expansion in Bash Shell
CVE-2016-0634

7.5HIGH

Key Information:

Vendor

Gnu
Status
Bash
Vendor
CVE Published:
28 August 2017

What is CVE-2016-0634?

A vulnerability in Bash 4.3 allows remote authenticated users to execute arbitrary code by exploiting the expansion of shell metacharacters within the prompt string when the 'hostname' is manipulated. This can lead to unauthorized control over the affected system, making it crucial for administrators to address the issue promptly.

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References

http://www.openwall.com/lists/oss-security/2016/09/27/9
mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2016/09/16/8
mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2017-0725.html
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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