SB2022111122 - Denial of service in multiple Cisco Products
Published: November 11, 2022
Security Bulletin ID
SB2022111122
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Heap Inspection (CVE-ID: CVE-2022-20943)
CWE-ID: CWE-244 - Improper Clearing of Heap Memory Before Release ('Heap Inspection')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of system resources in the Server Message Block Version 2 (SMB2) processor of the Snort detection engine. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.