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Fencer Intel
medium 6.5

CVE-2022-2850 json

A flaw was found In 389-ds-base.

published 4y ago modified 4mo ago also EUVD-2022-35084

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

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.

Patch / fix

  • 389-ds-base Debian 13, Debian 12 2.3.1-1

debian advisories DEBIAN-CVE-2022-2850

  • 389-ds-base directory server 12 2.0.18-3.module+el9dsrv+17947+6e05a0b8
  • cockpit-389-ds directory server 12 2.0.18-3.module+el9dsrv+17947+6e05a0b8
  • python3-lib389 directory server 12 2.0.18-3.module+el9dsrv+17947+6e05a0b8
  • 389-ds-base-libs directory server 12 2.0.18-3.module+el9dsrv+17947+6e05a0b8
  • 389-ds-base-snmp directory server 12 2.0.18-3.module+el9dsrv+17947+6e05a0b8
  • 389-ds-base directory server 11.5 1.4.3.29-7.module+el8dsrv+17334+74991258
  • cockpit-389-ds directory server 11.5 1.4.3.29-7.module+el8dsrv+17334+74991258
  • python3-lib389 directory server 11.5 1.4.3.29-7.module+el8dsrv+17334+74991258

red hat advisories RHSA-2023:0479RHSA-2022:8976RHSA-2022:8886RHSA-2022:8680RHSA-2022:8162RHSA-2022:7133

  • 389-ds SLE Module for Server Applications 15 SP4, openSUSE Leap 15.4 2.0.16~git20.219f047ae-150400.3.10.1
  • 389-ds SLE Module for Server Applications 15 SP3, openSUSE Leap 15.3 1.4.4.19~git46.c900a28c8-150300.3.22.1

suse advisories SUSE-SU-2022:3286-1SUSE-SU-2022:3029-1

  • 389-ds-base AlmaLinux 9 2.1.3-4.el9_1
  • python3-lib389 AlmaLinux 9 2.1.3-4.el9_1
  • 389-ds-base-libs AlmaLinux 9 2.1.3-4.el9_1
  • 389-ds-base AlmaLinux 8 1.4.3.28-8.module_el8.6.0+3338+ebccfef1
  • python3-lib389 AlmaLinux 8 1.4.3.28-8.module_el8.6.0+3338+ebccfef1
  • 389-ds-base-libs AlmaLinux 8 1.4.3.28-8.module_el8.6.0+3338+ebccfef1
  • 389-ds-base-snmp AlmaLinux 8 1.4.3.28-8.module_el8.6.0+3338+ebccfef1
  • 389-ds-base-legacy-tools AlmaLinux 8 1.4.3.28-8.module_el8.6.0+3338+ebccfef1

almalinux advisories ALSA-2022:8162ALSA-2022:7133

  • 389-ds-base Rocky Linux 9 2.1.3-4.el9_1
  • 389-ds-base Rocky Linux 8 1.4.3.28-8.module+el8.6.0+1048+263f2d23

rocky linux advisories RLSA-2022:8162RLSA-2022:7133

Is CVE-2022-2850 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2022-2850 updated cvss 6.5

389-ds-base: SIGSEGV in sync_repl

  • Red Hat Enterprise Linux 6 389-ds-base, 389-ds-base-libs
    affected: no fix planned “Out of support scope”
  • Red Hat Directory Server 11.5 for RHEL 8 389-ds-base 1.4.3.29-7.module+el8dsrv+17334+74991258, cockpit-389-ds 1.4.3.29-7.module+el8dsrv+17334+74991258, python3-lib389 1.4.3.29-7.module+el8dsrv+17334+74991258, 389-ds-base-libs 1.4.3.29-7.module+el8dsrv+17334+74991258, 389-ds-base-snmp 1.4.3.29-7.module+el8dsrv+17334+74991258, 389-ds-base-legacy-tools 1.4.3.29-7.module+el8dsrv+17334+74991258
    fixed: vendor fix RHSA-2022:8886
  • Red Hat Directory Server 12.0 for RHEL 9 389-ds-base 2.0.18-3.module+el9dsrv+17947+6e05a0b8, cockpit-389-ds 2.0.18-3.module+el9dsrv+17947+6e05a0b8, python3-lib389 2.0.18-3.module+el9dsrv+17947+6e05a0b8, 389-ds-base-libs 2.0.18-3.module+el9dsrv+17947+6e05a0b8, 389-ds-base-snmp 2.0.18-3.module+el9dsrv+17947+6e05a0b8
    fixed: vendor fix RHSA-2023:0479
  • Red Hat Enterprise Linux AppStream (v. 8) 389-ds-base 1.4.3.28-8.module+el8.6.0+16880+945f9b53, python3-lib389 1.4.3.28-8.module+el8.6.0+16880+945f9b53, 389-ds-base-libs 1.4.3.28-8.module+el8.6.0+16880+945f9b53, 389-ds-base-snmp 1.4.3.28-8.module+el8.6.0+16880+945f9b53, 389-ds-base-legacy-tools 1.4.3.28-8.module+el8.6.0+16880+945f9b53
    fixed: vendor fix RHSA-2022:7133
  • Red Hat Enterprise Linux AppStream (v. 9) 389-ds-base 2.1.3-4.el9_1, python3-lib389 2.1.3-4.el9_1, 389-ds-base-libs 2.1.3-4.el9_1
    fixed: vendor fix RHSA-2022:8162
  • Red Hat Enterprise Linux AppStream EUS (v.8.4) 389-ds-base 1.4.3.16-24.module+el8.4.0+17207+46c15e64, python3-lib389 1.4.3.16-24.module+el8.4.0+17207+46c15e64, 389-ds-base-libs 1.4.3.16-24.module+el8.4.0+17207+46c15e64, 389-ds-base-snmp 1.4.3.16-24.module+el8.4.0+17207+46c15e64, 389-ds-base-legacy-tools 1.4.3.16-24.module+el8.4.0+17207+46c15e64
    fixed: vendor fix RHSA-2022:8680
  • Red Hat Enterprise Linux AppStream EUS (v.9.0) 389-ds-base 2.0.14-3.el9_0, python3-lib389 2.0.14-3.el9_0, 389-ds-base-libs 2.0.14-3.el9_0
    fixed: vendor fix RHSA-2022:8976
  • Red Hat Enterprise Linux Client Optional (v. 7) 389-ds-base 1.3.10.2-17.el7_9, 389-ds-base-libs 1.3.10.2-17.el7_9, 389-ds-base-snmp 1.3.10.2-17.el7_9 Red Hat Enterprise Linux ComputeNode Optional (v. 7) 389-ds-base 1.3.10.2-17.el7_9, 389-ds-base-libs 1.3.10.2-17.el7_9, 389-ds-base-snmp 1.3.10.2-17.el7_9 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-libs 1.3.10.2-17.el7_9, 389-ds-base-snmp 1.3.10.2-17.el7_9 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-snmp 1.3.10.2-17.el7_9
    fixed: vendor fix RHSA-2022:7087

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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

1.58% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2118691 referenced PoC, tagged "exploit" by a source, unverified
  • access.redhat.com https://access.redhat.com/security/cve/CVE-2022-2850 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • n/a 389-ds-base

Classification

Weakness

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.