CVE Vulnerability

CVE-2019-20917

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.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link 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
https://www.debian.org/security/2020/dsa-4764 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:*
cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2020-09-11 05:15

Updated : 2023-01-27 06:22

NVD link : CVE-2019-20917

Mitre link : CVE-2019-20917

Products Affected
No products.
CWE
CWE-476