SB2018022207 - Security restrictions bypass in Cisco Unity Connection
Published: February 22, 2018
Security Bulletin ID
SB2018022207
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-0203)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists in the SMTP relay of Cisco Unity Connection due to improper handling of domain information. A remote attacker can send specially crafted requests to the targeted application, bypass security restrictions and send email messages to arbitrary addresses.
Remediation
Install update from vendor's website.