CVE-2018-5729: debian debian_linux NULL Pointer Dereference
CVSS: 6.5v2.0MediumUndergoing analysis
AliasesUBUNTU-CVE-2018-5729DEBIAN-CVE-2018-5729
Published 06-03-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5729 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 2.58% chance of exploitation in the next 30 days, higher than 84.9% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v2.0 (NVD)EPSS score
2.58%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 9 · Related 5Timeline
- 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 cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.
CVSS metrics
5 scores · 3 sources · 3 versionsMedium 4.7Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- OSV · DebianEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Medium 4.7Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:LSourcesSingle source
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.58%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.58% on 18-09-2026
18-09-202618-10-2026
EPSS score2.58%
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- bugzilla.redhat.com/show_bug.cgi?id=1551083X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1X Refsource CONFIRMPatchThird 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