SB2019070809 - Memory corruption in Cisco Small Business Series Switches
Published: July 8, 2019
Security Bulletin ID
SB2019070809
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2019-1892)
The vulnerability allows a remote attacker to cause a memory corruption on affected devices.
The vulnerability exists due to improper validation of HTTPS packets in the Secure Sockets Layer (SSL) input packet processor. A remote attacker can send a malformed HTTPS packet to the management web interface and cause an unexpected reload of the devices, resulting in a denial of service (DoS) condition.
Remediation
Install update from vendor's website.