Vulnerability CVE-2019-20917: Information

Description

An issue was discovered in InspIRCd 2 before 2.0.28 and 3 before 3.3.0. The mysql module contains a NULL pointer dereference when built against mariadb-connector-c 3.0.5 or newer. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server.

Severity: MEDIUM (6.5) Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

URL: https://nvd.nist.gov/vuln/detail/CVE-2019-20917
Published: Sept. 11, 2020
Modified: Jan. 27, 2023
Error type identifier: CWE-476

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
inspircdsisyphus2.0.29-alt12.0.29-alt1ALT-PU-2020-3126-1260438Fixed
inspircdp102.0.29-alt12.0.29-alt1ALT-PU-2020-3126-1260438Fixed
inspircdp92.0.29-alt12.0.29-alt1ALT-PU-2020-3171-1260441Fixed
inspircdc10f12.0.29-alt12.0.29-alt1ALT-PU-2020-3126-1260438Fixed
inspircdp112.0.29-alt12.0.29-alt1ALT-PU-2020-3126-1260438Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://docs.inspircd.org/security/2019-02/
  • Vendor Advisory
https://github.com/inspircd/inspircd/commit/2cc35d8625b7ea5cbd1d1ebb116aff86c5280162
  • Patch
  • Third Party Advisory
https://github.com/inspircd/inspircd/commit/8745660fcdac7c1b80c94cfc0ff60928cd4dd4b7
  • Patch
  • Third Party Advisory
DSA-4764
  • Third Party Advisory
[debian-lts-announce] 20200920 [SECURITY] [DLA 2375-1] inspircd security update
  • Mailing List
  • Third Party Advisory

    1. Configuration 1

      cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:*
      Start including
      2.0
      End excliding
      2.0.28
      cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:*
      Start including
      3.0
      End excliding
      3.3.0

      Configuration 2

      cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
      cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
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