CVE-2018-20217
MEDIUM
5,3
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
LOW
3,5
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: single
Confidentiality: none
Integrity: none
Availability: partial
Description
AI Translation Available
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.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0159
Percentile
0,8th
Updated
EPSS Score Trend (Last 91 Days)
617
Reachable Assertion
DraftCommon Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Crash, Exit, Or Restart
Applicable Platforms
Languages:
C, Java, Not Language-Specific, Rust
Application
Kerberos by Mit
Version Range Affected
To
5-1.17
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:mit:kerberos:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8763
https://github.com/krb5/krb5/commit/5e6d1796106df8ba6bc1973ee0917c170d929086
https://lists.debian.org/debian-lts-announce/2019/01/msg00020.html
https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://security.netapp.com/advisory/ntap-20190416-0006/
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8763
https://github.com/krb5/krb5/commit/5e6d1796106df8ba6bc1973ee0917c170d929086
https://lists.debian.org/debian-lts-announce/2019/01/msg00020.html
https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://security.netapp.com/advisory/ntap-20190416-0006/