SB2017072043 - Fedora 24 update for krb5
Published: July 20, 2017 Updated: April 24, 2025
Security Bulletin ID
SB2017072043
CSH Severity
Low
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) Denial of service (CVE-ID: CVE-2017-11368)
CWE-ID: CWE-20 - Improper input validation
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:Clear
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.
The weakness exists due to an assertion failure. A remote attacker can send invalid S4U2Self or S4U2Proxy requests and cause the krb5kdc service to exit on a targeted system.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.