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Topic :

Opera JPEG Processing Integer Overflow Vulnerability

SecurityAlert : 1133

CVE : CVE-2006-3198

SecurityRisk : Medium Security Risk Medium

(About)

Remote Exploit : Yes

Local Exploit : No

Exploit Available : No

Credit : VigilantMinds Advisories

Published : 28.06.2006

Affected Software :

Opera 8.54 and Earlier

Advisory Content :

Opera JPEG Processing Integer Overflow Vulnerability (VMSA-20060621-01)

Summary:
An integer overflow vulnerability exists in the Opera Web Browser due to
the improper handling of JPEG files.

Impact:
Remote Code Execution

Affected Versions:
Opera 8.54 and Earlier

Details:
If excessively large height and width values are specified in certain
fields of a JPEG file, an integer overflow may cause Opera to allocate
insufficient memory for the image. This will lead to a buffer overflow
when the image is loaded into memory, which can be exploited to execute
arbitrary code.

Recommended Actions:
It is recommended that users upgrade to Opera 9.00, which addresses this
vulnerability. Additionally, users should exercise caution while
accessing the web, and should do so from accounts with limited
privileges.

Timeline:
Reported: 4/25/2006
Fixed: 6/20/2006

Credit:
Chris Ries

References:
Opera Website: http://www.opera.com
VigilantMinds Website: http://www.vigilantminds.com

Feedback :

If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.

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