Logo
vulnerabilityCVE-2018-20217
Name
CVE-2018-20217
Source
NVD ( link)Debian ( link)
Description
A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
krb5
Exploitable

Vulnerability Ratings#


5.3
CVSSv31
3.5
CVSSv2

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
1.21.3
Exploitable
buildroot
master
1.22.2
Exploitable
openwrt
master
1.22.2-r1
Exploitable
openwrt
openwrt-25.12
1.22.1-r1
Exploitable
yocto
kirkstone
1.17.2
Exploitable
yocto
master
1.22.2
Exploitable