CVE-2019-20917: Null Pointer Dereference
First published: Fri Sep 11 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/inspircd | 2.0.27-1+deb10u1 3.8.1-2 3.15.0-1 | |
| InspIRCd | >=2.0<2.0.28 | |
| InspIRCd | >=3.0<3.3.0 | |
| Debian GNU/Linux | =9.0 | |
| Debian GNU/Linux | =10.0 |
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Reference Links
- https://docs.inspircd.org/security/2019-02/
- https://github.com/inspircd/inspircd/commit/2cc35d8625b7ea5cbd1d1ebb116aff86c5280162
- https://github.com/inspircd/inspircd/commit/8745660fcdac7c1b80c94cfc0ff60928cd4dd4b7
- https://security-tracker.debian.org/tracker/CVE-2019-20917
- https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html
- https://www.debian.org/security/2020/dsa-4764
- collector/security-tracker-debian
- agent/references
- agent/type
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/author
- agent/severity
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/inspircd
- canonical/inspircd
- version/inspircd/2.0
- version/inspircd/3.0
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/9.0
- version/debian gnu/linux/10.0