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TITLE:
Fedora update for fontforge

SECUNIA ADVISORY ID:
SA42577

VERIFY ADVISORY:
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http://secunia.com/advisories/42577/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=42577

RELEASE DATE:
2010-12-21

DISCUSS ADVISORY:
http://secunia.com/advisories/42577/#comments

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http://secunia.com/advisories/42577/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=42577

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DESCRIPTION:
Fedora has issued an update for fontforge. This fixes a
vulnerability, which can be exploited by malicious people to
compromise a user's system.

The vulnerability is caused due to an error in the processing of
"CHARSET_REGISTRY" header in font files, which can be exploited to
cause a stack-based buffer overflow when a user opens a specially
crafted Bitmap Distribution Format (BDF) font file in the font
editor.

Successful exploitation may allow execution of arbitrary code.

SOLUTION:
Apply updated packages using the yum utility ("yum update
fontforge").

PROVIDED AND/OR DISCOVERED BY:
Ulrik Persson

ORIGINAL ADVISORY:
FEDORA-2010-18573:
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052201.html

FEDORA-2010-18577:
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052219.html

Ulrik Persson:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=605537

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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