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Fencer Vulns
high 7.5

CVE-2018-14648 json

A flaw was found in 389 Directory Server.

published 2018-09-28 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-6546

cvss
7.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
7.2%
EPSS 7.2% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

A flaw was found in 389 Directory Server. A specially crafted search query could lead to excessive CPU consumption in the do_search() function. An unauthenticated attacker could use this flaw to provoke a denial of service.

Patch / fix

  • fedoraproject 389_directory_server 1.4.0.17
  • 389-ds-base Debian 13, Debian 12 1.4.0.18-1

debian advisories DEBIAN-CVE-2018-14648

  • 389-ds-base RHEL 7 1.3.8.4-15.el7
  • 389-ds-base-libs RHEL 7 1.3.8.4-15.el7
  • 389-ds-base-snmp RHEL 7 1.3.8.4-15.el7
  • 389-ds-base RHEL 7.5 EUS 1.3.7.5-29.el7_5
  • 389-ds-base-libs RHEL 7.5 EUS 1.3.7.5-29.el7_5
  • 389-ds-base-snmp RHEL 7.5 EUS 1.3.7.5-29.el7_5

red hat advisories RHSA-2018:3507RHSA-2018:3127

  • 389-ds SLE Module for Server Applications 15 SP1, SLE Module for Server Applications 15 1.4.0.26~git0.8a2d3de6f-4.14.1

suse advisories SUSE-SU-2019:2155-1

  • 389-ds openSUSE Tumbleweed 2.0.10~git0.21dd2802c-1.1

opensuse advisories openSUSE-SU-2024:10593-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-14648 updated cvss 7.5

389-ds-base: Mishandled search requests in servers/slapd/search.c:do_search() allows for denial of service

  • Red Hat Enterprise Linux 6 389-ds-base, 389-ds-base-libs
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client Optional (v. 7) 389-ds-base 1.3.8.4-15.el7, 389-ds-base-libs 1.3.8.4-15.el7, 389-ds-base-snmp 1.3.8.4-15.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) 389-ds-base 1.3.8.4-15.el7, 389-ds-base-libs 1.3.8.4-15.el7, 389-ds-base-snmp 1.3.8.4-15.el7
    fixed: vendor fix RHSA-2018:3127
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) 389-ds-base 1.3.7.5-29.el7_5, 389-ds-base-libs 1.3.7.5-29.el7_5, 389-ds-base-snmp 1.3.7.5-29.el7_5
    fixed: vendor fix RHSA-2018:3507
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) 389-ds-base 1.3.8.4-15.el7, 389-ds-base-libs 1.3.8.4-15.el7 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) 389-ds-base 1.3.8.4-15.el7, 389-ds-base-libs 1.3.8.4-15.el7, 389-ds-base-snmp 1.3.8.4-15.el7 Red Hat Enterprise Linux Server (v. 7) 389-ds-base 1.3.8.4-15.el7, 389-ds-base-libs 1.3.8.4-15.el7
    fixed: vendor fix RHSA-2018:3127
  • Red Hat Enterprise Linux Server EUS (v. 7.5) 389-ds-base 1.3.7.5-29.el7_5, 389-ds-base-libs 1.3.7.5-29.el7_5
    fixed: vendor fix RHSA-2018:3507
  • Red Hat Enterprise Linux Server Optional (v. 7) 389-ds-base 1.3.8.4-15.el7, 389-ds-base-libs 1.3.8.4-15.el7, 389-ds-base-snmp 1.3.8.4-15.el7
    fixed: vendor fix RHSA-2018:3127
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.5) 389-ds-base 1.3.7.5-29.el7_5, 389-ds-base-libs 1.3.7.5-29.el7_5, 389-ds-base-snmp 1.3.7.5-29.el7_5
    fixed: vendor fix RHSA-2018:3507
  • Red Hat Enterprise Linux Workstation (v. 7) 389-ds-base 1.3.8.4-15.el7, 389-ds-base-libs 1.3.8.4-15.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) 389-ds-base-snmp 1.3.8.4-15.el7
    fixed: vendor fix RHSA-2018:3127
show 1 more
  • Red Hat Enterprise Linux 8 389-ds-base, cockpit-389-ds, python3-lib389, 389-ds-base-libs, 389-ds-base-snmp, 389-ds-base-legacy-tools
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

7.17% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

  • [UNKNOWN] 389-ds-base:

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.