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The remote Gentoo host is missing one or more security-related
The remote host is affected by the vulnerability described in GLSA-200504-06
(sharutils: Insecure temporary file creation)
Joey Hess has discovered that the program unshar, which is a part
of sharutils, creates temporary files in a world-writable directory
with predictable names.
A local attacker could create symbolic links in the temporary
files directory, pointing to a valid file somewhere on the filesystem.
When unshar is executed, this would result in the file being
overwritten with the rights of the user running the utility, which
could be the root user.
There is no known workaround at this time.
See also :
All sharutils users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-arch/sharutils-4.2.1-r11'
Risk factor :
Family: Gentoo Local Security Checks
Nessus Plugin ID: 17993 (gentoo_GLSA-200504-06.nasl)
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