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The remote Scientific Linux host is missing one or more security
A denial of service flaw was found in the neon Extensible Markup
Language (XML) parser. Visiting a malicious DAV server with an
application using gnome-vfs2 (such as Nautilus) could possibly cause
the application to consume an excessive amount of CPU and memory.
This update also fixes the following bugs :
- When extracted from the Uniform Resource Identifier
(URI), gnome-vfs2 returned escaped file paths. If a
path, as stored in the URI, contained non- ASCII
characters or ASCII characters which are parsed as
something other than a file path (for example, spaces),
the escaped path was inaccurate. Consequently, files
with the described type of URI could not be processed.
With this update, gnome-vfs2 properly unescapes paths
that are required for a system call. As a result, these
paths are parsed properly.
- In certain cases, the trash info file was populated by
foreign entries, pointing to live data. Emptying the
trash caused an accidental deletion of valuable data.
With this update, a workaround has been applied in order
to prevent the deletion. As a result, the accidental
data loss is prevented, however further information is
still gathered to fully fix this problem.
- Due to a wrong test checking for a destination file
system, the Nautilus file manager failed to delete a
symbolic link to a folder which was residing in another
file system. With this update, a special test has been
added. As a result, a symbolic link pointing to another
file system can be trashed or deleted properly.
- Prior to this update, when directories without a read
permission were marked for copy, the Nautilus file
manager skipped these unreadable directories without
notification. With this update, Nautilus displays an
error message and properly informs the user about the
- Previously, gnome-vfs2 used the stat() function calls
for every file on the MultiVersion File System (MVFS),
used for example by IBM Rational ClearCase. This
behavior significantly slowed down file operations. With
this update, the unnecessary stat() operations have been
limited. As a result, gnome-vfs2 user interfaces, such
as Nautilus, are more responsive.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.3
Family: Scientific Linux Local Security Checks
Nessus Plugin ID: 63594 ()
CVE ID: CVE-2009-2473
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