critical9.8Public exploit code
CVE-2020-24214
An issue was discovered in the box application on HiSilicon based IPTV/H.264/H.265 video encoders.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- HiSilicon Video Encoders - Unauthenticated RTSP buffer overflow (DoS)2020-10-19 · webapps · hardware
Impact
An issue was discovered in the box application on HiSilicon based IPTV/H.264/H.265 video encoders. Attackers can send a crafted unauthenticated RTSP request to cause a buffer overflow and application crash. The device will not be able to perform its main purpose of video encoding and streaming for up to a minute, until it automatically reboots. Attackers can send malicious requests once a minute, effectively disabling the device.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Szuray | Iptv\/H.264 Video Encoder Firmware | All versions |
| Szuray | Iptv\/H.265 Video Encoder Firmware | All versions |
| Jtechdigital | H.264 Iptv Encoder 1080p\@60hz Firmware | All versions |
| Provideoinstruments | Vecaster-Hd-H264 Firmware | All versions |
| Provideoinstruments | Vecaster-Hd-Hevc Firmware | All versions |
| Provideoinstruments | Vecaster-4k-Hevc Firmware | All versions |
| Provideoinstruments | Vecaster-Hd-Sdi Firmware | All versions |
References
- NVD record
- CVE.org record
- http://packetstormsecurity.com/files/159605/HiSilicon-Video-Encoder-Buffer-Overflow-Denial-Of-Service.html
- https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/
- https://www.kb.cert.org/vuls/id/896979
- http://packetstormsecurity.com/files/159605/HiSilicon-Video-Encoder-Buffer-Overflow-Denial-Of-Service.html
- https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/
- https://www.kb.cert.org/vuls/id/896979