CVE-2018-5730: debian debian_linux LDAP Injection
Vulnerability summary
CVE-2018-5730 is a medium (CVSS 5.5) LDAP Injection vulnerability in debian debian_linux. EPSS estimates a 2.24% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 8 · Related 4Timeline
- 06-03-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to circumvent a DN containership check by supplying both a "linkdn" and "containerdn" database argument, or by supplying a DN string which is a left extension of a container DN string but is not hierarchically within the container DN.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated3.8LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated3.8LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
EPSS trend
Probability
2.24%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.24% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat3 products
Debian2 products
- krb5< 1.16.1-1
- debian_linuxEOL8.0 | 9.0
Fedoraproject1 product
- fedoraEOL26 | 27
Mit1 product
- kerberos_5≥ 5-1.6, < 5-1.21.2
Ubuntu1 product
- krb5< 1.12+dfsg-2ubuntu5.4 | < 1.13.2+dfsg-5ubuntu2.1 | < 1.16-2ubuntu0.1
5 vendors · 8 products
References
13 links- github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1X Refsource CONFIRMPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1551082X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2019/01/msg00020.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/09/msg00019.htmlMailing ListX Refsource MLISTThird Party Advisory