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TI-2022-02643 Aliases CVE-2022-2850GHSA-6c63-4574-7p9f

NULL pointer dereference in 389-ds-base

Priority MEDIUM 62CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 12 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

A flaw was found In 389-ds-base. When the Content Synchronization plugin is enabled, an authenticated user can reach a NULL pointer dereference using a specially crafted query. This flaw allows an authenticated attacker to cause a denial of service. This CVE is assigned against an incomplete fix of CVE-2021-3514.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0158 75th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 7 advisoriesRed Hat: 12 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—389-ds-base389-ds-base-2.0.x+—No fix listedCNA
  • 389-ds-base Vendor— Affected 389-ds-base-2.0.x+ Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:*11.0VulnerableRed Hat
cpe:2.3:a:redhat:directory_server:12.0:*:*:*:*:*:*:*12.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*36VulnerableFedoraproject
cpe:2.3:a:port389:389-ds-base:*:*:*:*:*:*:*:*2.0.0 – 2.4.1VulnerablePort389
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:directory_server:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
  • cpe:2.3:a:port389:389-ds-base:*:*:*:*:*:*:*:* Versions 2.0.0 – 2.4.1 Vulnerable ·Port389
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

Red Hat 7 advisories

  • RHSA-2023:0479 Released 2023-01-26 · Red Hat rating Moderate
    redhat-ds:12 security update
    • Red Hat Directory Server 12.0 for RHEL 9 389-ds-base-2.0.18-3.module+el9dsrv+17947+6e05a0b8.src::redhat-ds:12, 389-ds-base-2.0.18-3.module+el9dsrv+17947+6e05a0b8.x86_64::redhat-ds:12, 389-ds-base-devel-2.0.18-3.module+el9dsrv+17947+6e05a0b8.x86_64::redhat-ds:12 +4
  • RHSA-2022:8976 Released 2022-12-13 · Red Hat rating Moderate
    389-ds-base security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) 389-ds-base-2.0.14-3.el9_0, 389-ds-base-libs-2.0.14-3.el9_0, python3-lib389-2.0.14-3.el9_0
  • RHSA-2022:8886 Released 2022-12-07 · Red Hat rating Moderate
    redhat-ds:11 security, bug fix, and enhancement update
    • Red Hat Directory Server 11.5 for RHEL 8 389-ds-base-1.4.3.29-7.module+el8dsrv+17334+74991258.src::redhat-ds:11, 389-ds-base-1.4.3.29-7.module+el8dsrv+17334+74991258.x86_64::redhat-ds:11, 389-ds-base-devel-1.4.3.29-7.module+el8dsrv+17334+74991258.x86_64::redhat-ds:11 +5
Show 4 more Red Hat advisories
  • RHSA-2022:8680 Released 2022-11-29 · Red Hat rating Moderate
    389-ds:1.4 security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.4) 389-ds-base-1.4.3.16-24.module+el8.4.0+17207+46c15e64.aarch64::389-ds:1.4, 389-ds-base-1.4.3.16-24.module+el8.4.0+17207+46c15e64.ppc64le::389-ds:1.4, 389-ds-base-1.4.3.16-24.module+el8.4.0+17207+46c15e64.s390x::389-ds:1.4 +19
  • RHSA-2022:8162 Released 2022-11-15 · Red Hat rating Moderate
    389-ds-base security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) 389-ds-base-2.1.3-4.el9_1, 389-ds-base-libs-2.1.3-4.el9_1, python3-lib389-2.1.3-4.el9_1
  • RHSA-2022:7133 Released 2022-10-25 · Red Hat rating Moderate
    389-ds:1.4 security update
    • Red Hat Enterprise Linux AppStream (v. 8) 389-ds-base-1.4.3.28-8.module+el8.6.0+16880+945f9b53.aarch64::389-ds:1.4, 389-ds-base-1.4.3.28-8.module+el8.6.0+16880+945f9b53.ppc64le::389-ds:1.4, 389-ds-base-1.4.3.28-8.module+el8.6.0+16880+945f9b53.s390x::389-ds:1.4 +19
  • RHSA-2022:7087 Released 2022-10-25 · Red Hat rating Moderate
    389-ds-base security and bug fix update
    • Red Hat Enterprise Linux Client Optional (v. 7) 389-ds-base-1.3.10.2-17.el7_9, 389-ds-base-devel-1.3.10.2-17.el7_9, 389-ds-base-libs-1.3.10.2-17.el7_9 +1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) 389-ds-base-1.3.10.2-17.el7_9, 389-ds-base-devel-1.3.10.2-17.el7_9, 389-ds-base-libs-1.3.10.2-17.el7_9 +1
    • Red Hat Enterprise Linux Server (v. 7) 389-ds-base-1.3.10.2-17.el7_9, 389-ds-base-libs-1.3.10.2-17.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7) 389-ds-base-1.3.10.2-17.el7_9, 389-ds-base-devel-1.3.10.2-17.el7_9, 389-ds-base-libs-1.3.10.2-17.el7_9 +1
    • Red Hat Enterprise Linux Workstation (v. 7) 389-ds-base-1.3.10.2-17.el7_9, 389-ds-base-libs-1.3.10.2-17.el7_9
    • Red Hat Enterprise Linux Workstation Optional (v. 7) 389-ds-base-devel-1.3.10.2-17.el7_9, 389-ds-base-snmp-1.3.10.2-17.el7_9

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Directory Server 11.5 for RHEL 8Fixed RHSA-2022:8886
Red Hat Directory Server 12.0 for RHEL 9Fixed RHSA-2023:0479
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:7133
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:8162
Red Hat Enterprise Linux AppStream EUS (v.8.4)Fixed RHSA-2022:8680
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2022:8976
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2022:7087
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2022:7087
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2022:7087
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2022:7087
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2022:7087
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2022:7087

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-2850
  2. 2026-10-03 Alias added: GHSA-6c63-4574-7p9f

References

Exploit 2

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences