OpenExif 2.1.4 JPEG File ExifImageFileRead.cpp ExifImageFile::readDQT memory corruption

Summaryinfo

A vulnerability, which was classified as critical, has been found in OpenExif 2.1.4. This vulnerability affects the function ExifImageFile::readDQT of the file ExifImageFileRead.cpp of the component JPEG File Handler. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-14931. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in OpenExif 2.1.4. It has been rated as critical. This issue affects the function ExifImageFile::readDQT of the file ExifImageFileRead.cpp of the component JPEG File 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:

ExifImageFile::readDQT in ExifImageFileRead.cpp in OpenExif 2.1.4 allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a crafted JPEG file.

The bug was discovered 09/15/2017. The weakness was disclosed 09/30/2017 (Website). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2017-14931 since 09/29/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• OpenExif

Version

• 2.1.4

CPE 2.3info

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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