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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200407-07] Shorewall : Insecure temp file handling


Vulnerability Assessment Details

[GLSA-200407-07] Shorewall : Insecure temp file handling

Vulnerability Assessment Summary
Shorewall : Insecure temp file handling

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200407-07
(Shorewall : Insecure temp file handling)


Shorewall uses temporary files and directories in an insecure manner. A
local user could create symbolic links at specific locations, eventually
overwriting other files on the filesystem with the rights of the shorewall
process.

Impact

A possible hacker could exploit this vulnerability to overwrite arbitrary system
files with root rights, resulting in Denial of Service or further
exploitation.

Workaround

There is no known workaround at this time. All users should upgrade to the
latest available version of Shorewall.

References:
http://lists.shorewall.net/pipermail/shorewall-announce/2004-June/000385.html


Solution:
All users should upgrade to the latest available version of Shorewall, as
follows:
# emerge sync
# emerge -pv ">=net-firewall/shorewall-1.4.10f"
# emerge ">=net-firewall/shorewall-1.4.10f"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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