Medium severity · published Mar 6, 2018
CVE-2018-5729
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…
4.7
CVSS
2.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
FE
Fedora · Fedoraproject
26; 27 · source: NVD
K5
Kerberos 5 · Mit
5-1.6 before 5-1.21.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5729
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5729
Third Party Advisory
http://www.securitytracker.com/id/1042071
Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0327
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3071
Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1551083
Patch
https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1
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