Alpaquita LinuxStreamSecurity Advisory
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CVE-2017-18018

Published: August 31, 2023Last modified: August 31, 2023

Description

In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition.

Severity score breakdown

ParameterValue
Base score7.1
Attack VectorLOCAL
Attack complexityLOW
Privileges requiredLOW
User interactionNONE
ScopeUNCHANGED
ConfidentialityHIGH
Integrity impactHIGH
Availability impactNONE
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTScoreutilsNot affected (9.1-r1)
StreamcoreutilsNot affected (9.3-r7)

References

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