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TITLE:
OpenEXR Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA36030

VERIFY ADVISORY:
http://secunia.com/advisories/36030/

DESCRIPTION:
Some vulnerabilities have been reported in OpenEXR, which can be
exploited by malicious people to potentially compromise an
application using the library.

1) An integer overflow error in the "PreviewImage::PreviewImage()"
function can be exploited to cause a heap-based buffer overflow.

2) Multiple integer overflow errors in several compressor
constructors can be exploited to cause heap-based buffer overflows.

3) An error can be exploited to free uninitialised pointers in
"Imf::hufUncompress()" and potentially corrupt memory.

Successful exploitation of the vulnerabilities may allow execution of
arbitrary code.

The vulnerabilities are reported in version 1.6.1. Other versions may
also be affected.

SOLUTION:
Do not process untrusted images with the library.

PROVIDED AND/OR DISCOVERED BY:
Debian credits Drew Yao.

ORIGINAL ADVISORY:
http://lists.debian.org/debian-security-announce/2009/msg00157.html

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