Potential privilege escalation by embedding shell commands in a mountpoint name
22341
01 August 2023
01 August 2023
CLOSED
MEDIUM
7.8 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2018-7738
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Brocade Security Advisory ID |
BSA-2023-1809 |
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Component |
Linux |
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Summary
In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding shell commands in a mountpoint name, which is mishandled during a umount command (within Bash) by a different user, as demonstrated by logging in as root and entering umount followed by a tab character for autocompletion.
Products Affected
All versions of Brocade Fabric OS
Products Confirmed Not Affected
Brocade SAnnav and Brocade ASCG are not affected by this vulnerability
Solution
Solution provided in Brocade Fabric OS v8.2.3d, v9.1.1c, v9.2.0 and later versions
Revision History
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Version |
Change |
Date |
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1.0 |
Initial Publication |
August 1, 2023 |
Disclaimer
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