Exiv2 0.26 jp2image.cpp readMetadata memory corruption

Summaryinfo

A vulnerability was found in Exiv2 0.26. It has been rated as critical. This affects the function Exiv2::Jp2Image::readMetadata of the file jp2image.cpp. Performing a manipulation as part of Metadata results in memory corruption. This vulnerability is reported as CVE-2017-14860. The attack requires a local approach. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Exiv2 0.26 (Image Processing Software). This affects the function Exiv2::Jp2Image::readMetadata of the file jp2image.cpp. The manipulation as part of a Metadata leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

There is a heap-based buffer over-read in the Exiv2::Jp2Image::readMetadata function of jp2image.cpp in Exiv2 0.26. A Crafted input will lead to a denial of service attack.

The bug was discovered 09/22/2017. The weakness was disclosed 09/29/2017 (Website). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2017-14860 since 09/28/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120029 (SUSE SLED15 / SLES15 Security Update : exiv2 (SUSE-SU-2018:1882-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171360 (OpenSUSE Security Update for exiv2 (openSUSE-SU-2018:1961-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (120029). The entries VDB-103650, VDB-103651, VDB-103652 and VDB-103653 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Image Processing Software

Name

• Exiv2

Version

• 0.26

License

• free

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Be aware that VulDB is the high quality source for vulnerability data.

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