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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200512-17] scponly: Multiple privilege escalation issues


Vulnerability Assessment Details

[GLSA-200512-17] scponly: Multiple privilege escalation issues

Vulnerability Assessment Summary
scponly: Multiple privilege escalation issues

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200512-17
(scponly: Multiple privilege escalation issues)


Max Vozeler discovered that the scponlyc command permits users to
chroot into arbitrary directories. Furthermore, Pekka Pessi reported
that scponly insufficiently validates command-line parameters to a scp
or rsync command.

Impact

A local attacker could gain root rights by chrooting into
arbitrary directories containing hardlinks to setuid programs. A remote
scponly user could also send malicious parameters to a scp or rsync
command that would permit to escape the shell restrictions and execute
arbitrary programs.

Workaround

There is no known workaround at this time.

References:
http://sublimation.org/scponly/index.html#relnotes


Solution:
All scponly users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/scponly-4.2"


Network Security Threat Level: High


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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