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Date: Thu, 22 Jan 2015 00:28:48 +0100
From: Andrea Barisani <>
Subject: [oCERT-2015-001] JasPer input sanitization errors

#2015-001 JasPer input sanitization errors


The JasPer project is an open source implementation for the JPEG-2000 codec.

The library is affected by an off-by-one error in a buffer boundary check in
jpc_dec_process_sot(), leading to a heap based buffer overflow, as well as
multiple unrestricted stack memory use issues in jpc_qmfb.c, leading to stack

A specially crafted JPEG-2000 file can be used to trigger the vulnerabilities.

Affected version:

JasPer <= 1.900.1

Fixed version:

JasPer, N/A

Credit: vulnerability report received from <>.

CVE: CVE-2014-8157 (off-by-one heap buffer overflow),
     CVE-2014-8158 (stack overflow)

2015-01-06: vulnerability report received
2015-01-06: contacted affected vendors, assigned CVEs
2015-01-21: advisory release


Andrea Barisani |                Founder & Project Coordinator
          oCERT | OSS Computer Security Incident Response Team

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        "Pluralitas non est ponenda sine necessitate"

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