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CVE-2018-14638

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in...

7.5 HighFix available

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in delete_passwdPolicy function when persistent search connections are terminated unexpectedly leading to remote denial of service.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.65%Up 1.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 7.5

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in delete_passwdPolicy function when persistent search connections are terminated unexpectedly leading to remote denial of service.

Record
CVE-2018-14638
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
EUVDEUVD-2018-6538 7.5

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in delete_passwdPolicy function when persistent search connections are terminated unexpectedly leading to remote denial of service.

Record
EUVD-2018-6538
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-89rw-hgr3-hvfx 7.5

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in...

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in delete_passwdPolicy function when persistent search connections are terminated unexpectedly leading to remote denial of service.

Record
GHSA-89rw-hgr3-hvfx
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-415
Updated
2026-11-02
NVD 7.5

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in delete_passwdPolicy function when persistent search connections are terminated unexpectedly leading to remote denial of service.

Record
CVE-2018-14638
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400, CWE-415
Updated
2026-11-02
OSV 7.5

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in delete_passwdPolicy function when persistent search connections are terminated unexpectedly leading to remote denial of service.

Record
CVE-2018-14638
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-14638 7.5

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in delete_passwdPolicy function when persistent search connections are terminated unexpectedly leading to remote denial of service.

Record
DEBIAN-CVE-2018-14638
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVRHSA-2018:2757 7.5

Red Hat Security Advisory: 389-ds-base security and bug fix update

Record
RHSA-2018:2757
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-14638 7.5

A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in delete_passwdPolicy function when persistent search connections are terminated unexpectedly leading to remote denial of service.

Record
UBUNTU-CVE-2018-14638
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:10593-1 No score

389-ds-2.0.10~git0.21dd2802c-1.1 on GA media

These are all security issues fixed in the 389-ds-2.0.10~git0.21dd2802c-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10593-1
Updated
2026-11-02
OSVSUSE-SU-2019:2155-1 No score

Security update for 389-ds

This update for 389-ds to version 1.4.0.26 fixes the following issues:

Security issues fixed:

  • CVE-2016-5416: Fixed an information disclosure where a anonymous user could read the default ACI (bsc#991201).
  • CVE-2018-1054: Fixed a denial of service via search filters in SetUnicodeStringFromUTF_8() (bsc#1083689).
  • CVE-2018-1089: Fixed a buffer overflow via large filter value (bsc#1092187).
  • CVE-2018-10871: Fixed an information disclosure in certain plugins leading to the disclosure of plaintext password to an privileged attackers (bsc#1099465).
  • CVE-2018-14638: Fixed a denial of service through a crash in delete_passwdPolicy () (bsc#1108674).
  • CVE-2018-14648: Fixed a denial of service caused by malformed values in search queries (bsc#1109609).
  • CVE-2018-10935: Fixed a denial of service related to ldapsearch with server side sort (bsc#1105606).
  • CVE-2019-3883: Fixed a denial of service caused by hanging LDAP requests over TLS (bsc#1132385).
Record
SUSE-SU-2019:2155-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
389-ds-base
Debian:12
 before 1.4.0.18-1
1.4.0.18-1
389-ds-base
Debian:13
 before 1.4.0.18-1
1.4.0.18-1
389-ds-base
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-devel
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-libs
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-snmp
Red Hat:enterprise_linux:7::client
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-devel
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
Show 18 moreShow less
Affected packages
PackageAffectedFixed
389-ds-base-libs
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-snmp
Red Hat:enterprise_linux:7::computenode
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-libs
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-devel
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-snmp
Red Hat:enterprise_linux:7::server
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-libs
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-devel
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds-base-snmp
Red Hat:enterprise_linux:7::workstation
From an advisory covering 4 CVEs
 before 0:1.3.7.5-28.el7_5
0:1.3.7.5-28.el7_5
389-ds
SUSE:Linux Enterprise Module for Server Applications 15
From an advisory covering 8 CVEs
 before 1.4.0.26~git0.8a2d3de6f-4.14.1
1.4.0.26~git0.8a2d3de6f-4.14.1
389-ds
SUSE:Linux Enterprise Module for Server Applications 15 SP1
From an advisory covering 8 CVEs
 before 1.4.0.26~git0.8a2d3de6f-4.14.1
1.4.0.26~git0.8a2d3de6f-4.14.1
389-ds-base
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.3.3.12-1build11.3.3.13-11.3.4.5-21.3.4.8-11.3.4.8-3
Show 4 moreShow less
1.3.4.8-3ubuntu11.3.4.8-41.3.4.9-11.3.4.9-1ubuntu0.1~esm1
 None known
389-ds-base
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
1.3.7.5-11.3.7.5-1build11.3.7.5-1build21.3.7.9-11.3.7.10-11.3.7.10-1ubuntu11.3.7.10-1ubuntu1+esm1
 None known
389-ds-base
Ubuntu:26.04:LTS
 All versions, plus listed versions
3.1.2+dfsg1-13.1.2+vendor1-2
 None known
389-ds
openSUSE:Tumbleweed
From an advisory covering 11 CVEs
 before 2.0.10~git0.21dd2802c-1.1
2.0.10~git0.21dd2802c-1.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-14638 is a high vulnerability (CVSS 7.5) in Fedora Project 389-ds-base, published September 14, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.65%, the 85th percentile. Fixed in 389-ds-base 1.4.0.18-1.

References

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