SB2019122107 - Fedora EPEL 7 update for heimdal
Published: December 21, 2019 Updated: April 25, 2025
Security Bulletin ID
SB2019122107
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) Key management errors (CVE-ID: CVE-2019-12098)
CWE-ID: CWE-320 - Key Management Errors
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform a Man-in-the-Middle (MitM) attack.
The vulnerability exists due to Heimdal fails to verify anonymous PKINIT PA-PKINIT-KX key exchange within the krb5_init_creds_step() function in lib/krb5/init_creds_pw.c. A remote attacker can perform a MitM attack against the Heimdal client.
Remediation
Install update from vendor's website.