SB2024030720 - CRLF injection in Cisco Secure Client
Published: March 7, 2024
Security Bulletin ID
SB2024030720
CSH Severity
High
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) CRLF injection (CVE-ID: CVE-2024-20337)
CWE-ID: CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to inject arbitrary data in server response.
The vulnerability exists due to insufficient validation of attacker-supplied data in the SAML authentication process. A remote attacker can pass specially crafted data to the application containing CR-LF characters and modify application behavior.
Remediation
Install update from vendor's website.