CVE-2018-20217Medium
ANC
ANC
Anchore Vulnerability Database overrides
Supplementary feed layered on top of upstream sources. Anchore maintainers publish override records to suppress known false positives and fill CPE/PURL gaps that would otherwise cause Grype and similar scanners to mis-report a system.
Region
US
Updates
6 ч
License
Apache-2.0
Curated corrections to the Anchore/Grype vulnerability database: false-positive suppressions, missing CPE mappings and distro-specific backport fixes.
https://github.com/anchore/grype-db →Share link
Anyone with the link can open this vulnerability.
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 u…
CVSS
5.3
Medium
EPSS
0.02
p71
Published
2018-01-01
Updated
2018-01-01
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.
Tags · CWE
CWE-617
CWE-617BaseDraft
Reachable Assertion
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
https://cwe.mitre.org/data/definitions/617.html →Open in CWE collection →Affected products
Debian_linux
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Timeline
2018-01-01
Published
2018-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: H
High (H)
Privileges Required
PR: L
Low (L)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: N
None (N)
Integrity Impact
I: N
None (N)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.015 · p71
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
| Product | Vendor | Status |
|---|---|---|
| Tracked | ||
| Tracked | ||
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| krb5 | Tracked | |
| debian_linux | * | Tracked |
| kerberos | * | Tracked |
Source databases
ANC
ANC
Anchore Vulnerability Database overrides
Supplementary feed layered on top of upstream sources. Anchore maintainers publish override records to suppress known false positives and fill CPE/PURL gaps that would otherwise cause Grype and similar scanners to mis-report a system.
Region
US
Updates
6 ч
License
Apache-2.0
Curated corrections to the Anchore/Grype vulnerability database: false-positive suppressions, missing CPE mappings and distro-specific backport fixes.
https://github.com/anchore/grype-db →AST
AST
Astra Linux Security Bulletins
Astra publishes per-release bulletins that map upstream CVEs to their own package repositories, with remediation timelines tied to the certification level (SE 1.7, CE 2.12, etc.). Indispensable for systems that require ФСТЭК/ФСБ clearance.
Region
RU
Updates
24 ч
License
Открытые данные
Vendor security bulletins for Astra Linux Special Edition and Common Edition — the primary certified Linux OS for Russian defense and critical infrastructure.
https://wiki.astralinux.ru/pages/viewpage.action?pageId=27362056 →DEB
DEB
Debian Security Advisories (DSA)
DSAs are published by the Debian Security Team for issues affecting the stable distribution. The downstream tracker (security-tracker.debian.org) additionally maps every CVE to its package-level status across all supported suites.
Region
Intl.
Updates
1 ч
License
Public Domain
Advisories covering the Debian stable and oldstable releases. Ship notes include the exact .deb version that remediates each issue.
https://www.debian.org/security/ →CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →RED
RED
Red Hat Security Advisories (RHSA)
Red Hat advisories are authoritative for RHEL-family systems: each record lists the exact package NEVRA fixed, the affected streams, and a Red Hat-assigned severity that may differ from NVD's. Many downstream projects (CentOS Stream, Rocky, Alma) follow these IDs.
Region
US
Updates
1 ч
License
CC BY-SA 4.0
Advisories for Red Hat Enterprise Linux, OpenShift, Ansible and other Red Hat products. Includes detailed backport tracking — critical for long-term-support distributions.
https://access.redhat.com/security/security-updates/ →UBU
UBU
Ubuntu Security Notices (USN)
USNs are authoritative for Ubuntu systems. The CVE Tracker links each vulnerability to its per-release status (needed, released, not-affected) and to the exact Launchpad bug where the fix is integrated.
Region
Intl.
Updates
1 ч
License
CC BY-SA 3.0
Security notices for Ubuntu LTS and interim releases, covering main, universe and (via Pro) ESM-extended packages.
https://ubuntu.com/security/notices →Related vulnerabilities