A vulnerability was found in libbpg 0.9.7. It has been rated as critical. This issue affects the function hevc_write_frame of the file libbpg.c. 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. The summary by CVE is:

The hevc_write_frame function in libbpg.c in libbpg 0.9.7 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) or possibly have unspecified other impact via a crafted BPG file, related to improper interaction with hls_pcm_sample in hevc.c in libavcodec in FFmpeg and put_pcm_var in hevcdsp_template.c in libavcodec in FFmpeg.

The bug was discovered 09/26/2017. The weakness was disclosed 09/28/2017 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-14795 since 09/27/2017. 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 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 1 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.

The entry 107208 is pretty similar.

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• libbpg

Version

• 0.9.7

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• 🔍

CPE 2.2info

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