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A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support. The Readline library uses an "INPUTRC" environment variable to get a path to the library config file. When the library cannot parse the specified file it prints an error message containing data from the file. This flaw allows an unprivileged user to read root-owned files potentially leading to privilege escalation. This flaw affects util-linux versions prior to 2.37.4.

🗓️ 08 Mar 2022 08:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Flaw in util-linux chfn/chsh Readline lets unprivileged users read root files via INPUTRC.

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08 Mar 2022 08:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 21.9
CVSS 3.15.5
EPSS0.00025
SSVC
1