LibRaw up to 0.18.11 dcraw_common.cpp parse_qt QuickTime File integer overflow

Summaryinfo

A vulnerability marked as problematic has been reported in LibRaw up to 0.18.11. Affected by this issue is the function parse_qt of the file internal/dcraw_common.cpp. The manipulation as part of QuickTime File leads to integer overflow. This vulnerability is listed as CVE-2018-5815. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in LibRaw up to 0.18.11 (Image Processing Software) and classified as problematic. This issue affects the function parse_qt of the file internal/dcraw_common.cpp. The manipulation as part of a QuickTime File leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is availability. The summary by CVE is:

An integer overflow error within the "parse_qt()" function (internal/dcraw_common.cpp) in LibRaw versions prior to 0.18.12 can be exploited to trigger an infinite loop via a specially crafted Apple QuickTime file.

The bug was discovered 07/17/2018. The weakness was presented 12/07/2018 (Website). The advisory is shared at usn.ubuntu.com. The identification of this vulnerability is CVE-2018-5815 since 01/19/2018. 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 28 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111714 (Fedora 27 : mingw-LibRaw (2018-baa8315daa)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora 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 0.18.12 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 databases at Tenable (111714) and Secunia (SA83507†). See VDB-127726, VDB-127729, VDB-127730 and VDB-127731 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider 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
• 0.18.9
• 0.18.10
• 0.18.11

License

• open-source

Website

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

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion