Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2018-20217 |
CWE-ID | CWE-617 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Opensuse Operating systems & Components / Operating system |
Vendor | SUSE |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU17350
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-20217
CWE-ID:
CWE-617 - Reachable Assertion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion in in the KDC. A remote attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4) and crash the KDC by making an S4U2Self request.
MitigationUpdate the affected packages.
Opensuse: 42.3
External linkshttp://lists.opensuse.org/opensuse-security-announce/2019-01/msg00033.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.