SB2018050712 - Multiple vulnerabilities in Cisco WebEx Meetings Player
Published: May 7, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2018-0287)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote unauthenticated attacker to execute arbitrary code on the target system.
The weakness exists due to a design flaw. A remote attacker can trick the victim into opening an email attachment or link to a specially crafted ARF file and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
2) Information disclosure (CVE-ID: CVE-2018-0288)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote unauthenticated attacker to obtain potentially sensitive information.
The weakness exists due to a design flaw. A remote attacker can utilize a specially crafted file that can bypass checks in the code and enable to read memory from outside the bounds of the mapped file.
3) Improper input validation (CVE-ID: CVE-2018-0264)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote unauthenticated attacker to execute arbitrary code on the target system.
The weakness exists due to improper input validation. A remote attacker can trick the victim into opening a link or email attachment with a specially crafted ARF file and execute arbitrary code.
Remediation
Install update from vendor's website.