CVE-2016-6564
Additionally, there are multiple techniques used to hide the execution of this binary.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Android devices with code from Ragentek contain a privileged binary that performs over-the-air (OTA) update checks. Additionally, there are multiple techniques used to hide the execution of this binary. This behavior could be described as a rootkit. This binary, which resides as /system/bin/debugs, runs with root privileges and does not communicate over an encrypted channel. The binary has been shown to communicate with three hosts via HTTP: oyag[.]lhzbdvm[.]com oyag[.]prugskh[.]net oyag[.]prugskh[.]com Server responses to requests sent by the debugs binary include functionalities to execute arbitrary commands as root, install applications, or update configurations. Examples of a request sent by the client binary: POST /pagt/agent?data={"name":"c_regist","details":{...}} HTTP/1. 1 Host: 114.80.68.223 Connection: Close An example response from the server could be: HTTP/1.1 200 OK {"code": "01", "name": "push_commands", "details": {"server_id": "1" , "title": "Test Command", "comments": "Test", "commands": "touch /tmp/test"}} This binary is reported to be present in the following devices: BLU Studio G BLU Studio G Plus BLU Studio 6.0 HD BLU Studio X BLU Studio X Plus BLU Studio C HD Infinix Hot X507 Infinix Hot 2 X510 Infinix Zero X506 Infinix Zero 2 X509 DOOGEE Voyager 2 DG310 LEAGOO Lead 5 LEAGOO Lead 6 LEAGOO Lead 3i LEAGOO Lead 2S LEAGOO Alfa 6 IKU Colorful K45i Beeline Pro 2 XOLO Cube 5.0
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.66% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-494, CWE-264
- Affected
- infinixauthority/hot x507 firmware · infinixauthority/hot 2 x510 firmware · infinixauthority/zero x506 firmware · infinixauthority/zero 2 x509 firmware · bluproducts/studio g firmware · bluproducts/studio g plus firmware · bluproducts/studio 6.0 hd firmware · bluproducts/studio x firmware · bluproducts/studio x plus firmware · bluproducts/studio c hd firmware · xolo/cube 5.0 firmware · beeline/pro 2 firmware · iku-mobile/colorful k45i firmware · leagoo/lead 5 firmware · leagoo/lead 6 firmware · leagoo/lead 3i firmware · leagoo/lead 2s firmware · leagoo/alfa 6 firmware · doogee/voyager 2 dg310i firmware
- Source
- cret@cert.org
References
- https://www.bitsighttech.com/blog/ragentek-android-ota-update-mechanism-vulnerable-to-mitm-attackExploit, Third Party Advisory
- https://www.kb.cert.org/vuls/id/624539Third Party Advisory, US Government Resource
- https://www.securityfocus.com/bid/94393/Third Party Advisory, VDB Entry
- https://www.bitsighttech.com/blog/ragentek-android-ota-update-mechanism-vulnerable-to-mitm-attackExploit, Third Party Advisory
- https://www.kb.cert.org/vuls/id/624539Third Party Advisory, US Government Resource
- https://www.securityfocus.com/bid/94393/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.