LibRaw up to 0.18.8 dcraw_common.cpp nikon_coolscan_load_raw out-of-bounds

Summaryinfo

A vulnerability categorized as critical has been discovered in LibRaw up to 0.18.8. This impacts the function nikon_coolscan_load_raw of the file internal/dcraw_common.cpp. Such manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2018-5811. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in LibRaw up to 0.18.8 (Image Processing Software). Affected by this issue is the function nikon_coolscan_load_raw of the file internal/dcraw_common.cpp. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An error within the "nikon_coolscan_load_raw()" function (internal/dcraw_common.cpp) in LibRaw versions prior to 0.18.9 can be exploited to cause an out-of-bounds read memory access and subsequently cause a crash.

The bug was discovered 05/30/2018. The weakness was published 12/07/2018 (Website). The advisory is available at usn.ubuntu.com. This vulnerability is handled as CVE-2018-5811 since 01/19/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 71 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111630 (openSUSE Security Update : libraw (openSUSE-2018-849)), 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 197322 (Ubuntu Security Notification for Libraw Vulnerabilities (USN-3838-1)).

Upgrading to version 0.18.9 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111630). Similar entries are available at VDB-127726, VDB-127729, VDB-127731 and VDB-127732. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Image Processing Software

Name

• LibRaw

Version

• 0.18.0
• 0.18.1
• 0.18.2
• 0.18.3
• 0.18.4
• 0.18.5
• 0.18.6
• 0.18.7
• 0.18.8

License

• open-source

Website

• Product: https://github.com/LibRaw/LibRaw/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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