SB2021051026 - Information disclosure in F5 Traffix SDC Linux kernel
Published: May 10, 2021
Security Bulletin ID
SB2021051026
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cleartext transmission of sensitive information (CVE-ID: CVE-2020-1749)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending the data unencrypted. This would allow anyone in between the two endpoints to read the traffic unencrypted.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.