SB2017101804 - Remote code execution in Lenovo Service Framework
Published: October 18, 2017
Security Bulletin ID
SB2017101804
Severity
High
Patch available
YES
Number of vulnerabilities
4
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Improper access control (CVE-ID: CVE-2017-3758)
The vulnerability allows a remote attacker to execute arbitrary code on the target device.The weakness exists due to improper access controls on several Android components in the LSF application. A remote attacker can gain unauthorized access to the device and execute arbitrary code with elevated privileges.
2) Man-in-the-middle attack (CVE-ID: CVE-2017-3759)
The vulnerability allows a remote attacker to conduct MITM-attack.The weakness exists due to the LSF application accepts some responses from the server without proper validation. A remote attacker can use man-in-the-middle techniques and possibly execute arbitrary code on the target device.
3) Man-in-the-middle attack (CVE-ID: CVE-2017-3760)
The vulnerability allows a remote attacker to conduct MITM-attack.The weakness exists due to the LSF application uses a set of nonsecure credentials when performing integrity verification of downloaded applications and/or data. A remote attacker can use man-in-the-middle techniques and possibly execute arbitrary code on the target device.
4) Command injection (CVE-ID: CVE-2017-3761)
The vulnerability allows a remote attacker to execute arbitrary code on the target device.The weakness exists due to Lenovo Service Framework application executes some system commands without proper sanitization of external input. A remote attacker can inject commands and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.