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CVE-2018-14648

A flaw was found in 389 Directory Server. A specially crafted search query could lead to...

7.5 HighFix available

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.

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

7.17%Up 5.9 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 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.

Record
CVE-2018-14648
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-2018-6546 7.5

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.

Record
EUVD-2018-6546
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-pghh-mx5f-3vcv 7.5

A flaw was found in 389 Directory Server. A specially crafted search query could lead to...

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.

Record
GHSA-pghh-mx5f-3vcv
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
NVD 7.5

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.

Record
CVE-2018-14648
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
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness
CWE-400
Updated
2026-11-02
OSV 7.5

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.

Record
CVE-2018-14648
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-2018-14648 7.5

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.

Record
DEBIAN-CVE-2018-14648
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 6 moreShow less
OSVRHSA-2018:3127 7.5

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

Record
RHSA-2018:3127
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
OSVRHSA-2018:3507 7.5

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

Record
RHSA-2018:3507
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-2018-14648 7.5

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.

Record
UBUNTU-CVE-2018-14648
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
OSVMGASA-2018-0461 No score

Updated 389-ds-base packages fix security vulnerability

It was discovered that mishandled search requests in servers/slapd/search.c:do_search() in 389-ds-base allows for denial of service (CVE-2018-14648).

Record
MGASA-2018-0461
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
Debian:8
 before 1.3.3.5-4+deb8u4, plus listed versions
1.3.3.5-41.3.3.5-4+deb8u11.3.3.5-4+deb8u21.3.3.5-4+deb8u3
1.3.3.5-4+deb8u4
389-ds-base
Mageia:6
 before 1.3.5.17-1.7.mga6
1.3.5.17-1.7.mga6
389-ds-base
Red Hat:enterprise_linux:7::client
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-devel
Red Hat:enterprise_linux:7::client
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-libs
Red Hat:enterprise_linux:7::client
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-snmp
Red Hat:enterprise_linux:7::client
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base
Red Hat:enterprise_linux:7::computenode
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
Show 30 moreShow less
Affected packages
PackageAffectedFixed
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-devel
Red Hat:enterprise_linux:7::computenode
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-libs
Red Hat:enterprise_linux:7::computenode
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-snmp
Red Hat:enterprise_linux:7::computenode
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base
Red Hat:enterprise_linux:7::server
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-libs
Red Hat:enterprise_linux:7::server
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-devel
Red Hat:enterprise_linux:7::server
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-snmp
Red Hat:enterprise_linux:7::server
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base
Red Hat:enterprise_linux:7::workstation
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-libs
Red Hat:enterprise_linux:7::workstation
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-devel
Red Hat:enterprise_linux:7::workstation
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base-snmp
Red Hat:enterprise_linux:7::workstation
 before 0:1.3.8.4-15.el7
0:1.3.8.4-15.el7
389-ds-base
Red Hat:rhel_eus:7.5::computenode
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.el7_5
389-ds-base-debuginfo
Red Hat:rhel_eus:7.5::computenode
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.el7_5
389-ds-base-devel
Red Hat:rhel_eus:7.5::computenode
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.el7_5
389-ds-base-libs
Red Hat:rhel_eus:7.5::computenode
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.el7_5
389-ds-base-snmp
Red Hat:rhel_eus:7.5::computenode
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.el7_5
389-ds-base
Red Hat:rhel_eus:7.5::server
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.el7_5
389-ds-base-debuginfo
Red Hat:rhel_eus:7.5::server
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.el7_5
389-ds-base-libs
Red Hat:rhel_eus:7.5::server
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.el7_5
389-ds-base-devel
Red Hat:rhel_eus:7.5::server
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.el7_5
389-ds-base-snmp
Red Hat:rhel_eus:7.5::server
 before 0:1.3.7.5-29.el7_5
0:1.3.7.5-29.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-2018-14648 is a high vulnerability (CVSS 7.5) in Fedoraproject 389 Directory Server, published September 28, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.17%, the 94th percentile. Fixed in 389-ds-base 1.4.0.18-1.

References

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