A vulnerability has been found in DjVuLibre 3.5.27 and classified as problematic. This vulnerability affects the function GBitmap::read_rle_raw of the file libdjvu/DjVmDir.cpp of the component Image File Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

In DjVuLibre 3.5.27, the bitmap reader component allows attackers to cause a denial-of-service error (resource exhaustion caused by a GBitmap::read_rle_raw infinite loop) by crafting a corrupted image file, related to libdjvu/DjVmDir.cpp and libdjvu/GBitmap.cpp.

The weakness was released 08/18/2019 (Website). The advisory is shared for download at lists.fedoraproject.org. This vulnerability was named CVE-2019-15143 since 08/18/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

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

Entries connected to this vulnerability are available at 140295, 140297 and 140298.

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• DjVuLibre

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• 3.5.27

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