Path Autocompletion Issue in GNU Bash 4.4
CVE-2017-5932

7.8HIGH

Key Information:

Vendor
Gnu
Status
Bash
Vendor
CVE Published:
27 March 2017

Summary

The path autocompletion feature in GNU Bash version 4.4 contains a vulnerability that can be exploited by local users. By crafting a specific filename that begins with a double quote, alongside a command substitution metacharacter, an attacker may gain elevated privileges. This can lead to unauthorized access or manipulation of system resources, posing significant security risks. Users are advised to apply relevant patches to mitigate this vulnerability.

References

http://git.savannah.gnu.org/cgit/bash.git/commit/?id=4f74...
x_refsource_CONFIRM
https://lists.gnu.org/archive/html/bug-bash/2017-01/msg00...
mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2017/02/08/3
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.