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Debian 4.0 DSA-1635-1 Critical: Freetype Local Code Execution

debian
Calendar Grey September 10, 2008
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Recent updates to Freestyle packages in Debian tackle several critical local vulnerabilities that could enable malicious users to run arbitrary code.
An integer overflow allows context-dependent attackers to execute arbitrary code via a crafted set of values within the Private dictionary table in a Printer Font Binary...

Summary


CVE-2008-1806
An integer overflow allows context-dependent attackers to execute
arbitrary code via a crafted set of values within the Private
dictionary table in a Printer Font Binary (PFB) file.

CVE-2008-1807
The handling of an invalid "number of axes" field in the PFB file could
trigger the freeing of aribtrary memory locations, leading to
memory corruption.

CVE-2008-1808
Multiple off-by-one errors allowed the execution of arbitrary code
via malformed tables in PFB files, or invalid SHC instructions in
TTF files.


For the stable distribution (etch), these problems have been fixed in version
2.2.1-5+etch3.

For the unstable distribution (sid), these problems have been fixed in
version 2.3.6-1.

We recommend that you upgrade your freetype package.


Upgrade instructions
- --------------------wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, us...

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