CVE-2020-25269

Publication date 11 September 2020

Last updated 2 April 2025

Ubuntu priority

Cvss 3 Severity Score

An issue was discovered in InspIRCd 2 before 2.0.29 and 3 before 3.6.0. The pgsql module contains a use after free vulnerability. 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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
inspircd	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Ignored end of life, was needs-triage
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Not affected
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Fixed 3.4.0-2ubuntu1+esm1 Ubuntu Pro
	18.04 LTS bionic	Fixed 2.0.24-1ubuntu1+esm1 Ubuntu Pro
	16.04 LTS xenial	Fixed 2.0.20-5ubuntu0.1~esm1 Ubuntu Pro
	14.04 LTS trusty	Not in release

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
inspircd	Upstream: 07d7dea Upstream: a9e107c Upstream: 6f6fa13 Upstream: b3f1db9 Upstream: fbdd080 Upstream: b24a911 Upstream: https://github.com/inspircd/inspircd/compare/426d1c8...b3f1db9

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-7405-1
InspIRCd vulnerabilities
2 April 2025