Summaryinfo

A vulnerability was found in Grassroots DICOM up to 2.6.1. It has been classified as problematic. Affected is the function JPEGLSCodec::DecodeExtent of the file MediaStorageAndFileFormat/gdcmJPEGLSCodec.cxx of the component JPEG-LS Image Handler. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2015-8397. It is possible to launch the attack remotely. There is no exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability was found in Grassroots DICOM up to 2.6.1 and classified as critical. This issue affects the function JPEGLSCodec::DecodeExtent of the file MediaStorageAndFileFormat/gdcmJPEGLSCodec.cxx of the component JPEG-LS Image Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The JPEGLSCodec::DecodeExtent function in MediaStorageAndFileFormat/gdcmJPEGLSCodec.cxx in Grassroots DICOM (aka GDCM) before 2.6.2 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (application crash) via an embedded JPEG-LS image with dimensions larger than the selected region in a (1) two-dimensional or (2) three-dimensional DICOM image file, which triggers an out-of-bounds read.

The weakness was published 01/12/2016 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2015-8397 since 12/02/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 88504 (FreeBSD : gdcm -- multiple vulnerabilities (e00d8b94-c88a-11e5-b5fe-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 2.6.2 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (88504). Similar entry is available at VDB-80194. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Grassroots

Name

• DICOM

Version

• 2.6.0
• 2.6.1

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CPE 2.2info

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