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Fencer Intel
medium 6.5

CVE-2017-2668 json

389-ds-base before versions 1.3.5.17 and 1.3.6.10 is vulnerable to an invalid pointer dereference in the way LDAP bind requests are handled.

published 2018-06-22 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-11813

cvss
6.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

389-ds-base before versions 1.3.5.17 and 1.3.6.10 is vulnerable to an invalid pointer dereference in the way LDAP bind requests are handled. A remote unauthenticated attacker could use this flaw to make ns-slapd crash via a specially crafted LDAP bind request, resulting in denial of service.

Patch / fix

  • fedoraproject 389_directory_server 1.3.5.17, 1.3.6.10
  • 389-ds-base Debian 13, Debian 12 1.3.5.17-1

debian advisories DEBIAN-CVE-2017-2668

  • 389-ds-base RHEL 6 1.2.11.15-91.el6_9
  • 389-ds-base-libs RHEL 6 1.2.11.15-91.el6_9
  • 389-ds-base RHEL 7 1.3.5.10-20.el7_3
  • 389-ds-base-libs RHEL 7 1.3.5.10-20.el7_3
  • 389-ds-base-snmp RHEL 7 1.3.5.10-20.el7_3

red hat advisories RHSA-2017:0893RHSA-2017:0920

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-2017-2668 updated cvss 6.5

389-ds-base: Remote crash via crafted LDAP messages

  • Red Hat Enterprise Linux Client Optional (v. 7) 389-ds-base 1.3.5.10-20.el7_3, 389-ds-base-libs 1.3.5.10-20.el7_3, 389-ds-base-snmp 1.3.5.10-20.el7_3 Red Hat Enterprise Linux ComputeNode Optional (v. 7) 389-ds-base 1.3.5.10-20.el7_3, 389-ds-base-libs 1.3.5.10-20.el7_3, 389-ds-base-snmp 1.3.5.10-20.el7_3
    fixed: vendor fix RHSA-2017:0920
  • Red Hat Enterprise Linux Desktop Optional (v. 6) 389-ds-base 1.2.11.15-91.el6_9, 389-ds-base-libs 1.2.11.15-91.el6_9 Red Hat Enterprise Linux HPC Node Optional (v. 6) 389-ds-base 1.2.11.15-91.el6_9, 389-ds-base-libs 1.2.11.15-91.el6_9 Red Hat Enterprise Linux Server (v. 6) 389-ds-base 1.2.11.15-91.el6_9, 389-ds-base-libs 1.2.11.15-91.el6_9
    fixed: vendor fix RHSA-2017:0893
  • Red Hat Enterprise Linux Server (v. 7) 389-ds-base 1.3.5.10-20.el7_3, 389-ds-base-libs 1.3.5.10-20.el7_3
    fixed: vendor fix RHSA-2017:0920
  • Red Hat Enterprise Linux Server Optional (v. 6) 389-ds-base-devel 1.2.11.15-91.el6_9, 389-ds-base-debuginfo 1.2.11.15-91.el6_9
    fixed: vendor fix RHSA-2017:0893
  • Red Hat Enterprise Linux Server Optional (v. 7) 389-ds-base-snmp 1.3.5.10-20.el7_3
    fixed: vendor fix RHSA-2017:0920
  • Red Hat Enterprise Linux Workstation (v. 6) 389-ds-base 1.2.11.15-91.el6_9, 389-ds-base-libs 1.2.11.15-91.el6_9
    fixed: vendor fix RHSA-2017:0893
  • Red Hat Enterprise Linux Workstation (v. 7) 389-ds-base 1.3.5.10-20.el7_3, 389-ds-base-libs 1.3.5.10-20.el7_3
    fixed: vendor fix RHSA-2017:0920
  • Red Hat Enterprise Linux Workstation Optional (v. 6) 389-ds-base-devel 1.2.11.15-91.el6_9, 389-ds-base-debuginfo 1.2.11.15-91.el6_9
    fixed: vendor fix RHSA-2017:0893
show 1 more
  • Red Hat Enterprise Linux Workstation Optional (v. 7) 389-ds-base-snmp 1.3.5.10-20.el7_3
    fixed: vendor fix RHSA-2017:0920

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

2.50% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

  • [UNKNOWN] 389-ds-base

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-476 NULL Pointer Dereference

References

Sources

Fencer Intel 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.