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TITLE:
NASA BigView PPM File Processing Buffer Overflow

SECUNIA ADVISORY ID:
SA30546

VERIFY ADVISORY:
http://secunia.com/advisories/30546/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
NASA BigView 1.x
http://secunia.com/product/18982/

DESCRIPTION:
Core Security Technologies has reported a vulnerability in NASA
BigView, which can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused due to a boundary error in the
"getline()" function in Ppm/ppm.C as called from "PPM::ppmHeader()".
This can be exploited to cause a stack-based buffer overflow via a
specially crafted .PPM file containing an overly-long (greater than
512 bytes) line.

Successful exploitation allows execution of arbitrary code.

The vulnerability is reported in version 1.8. Other versions may also
be affected.

SOLUTION:
Update to the latest version.
http://opensource.arc.nasa.gov/software/bigview/

PROVIDED AND/OR DISCOVERED BY:
Alfredo Ortega, Core Security Technologies

ORIGINAL ADVISORY:
CORE-2008-0425:
http://www.coresecurity.com/index.php5?module=ContentMod&action=item&id=2304

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