USN-7405-1: InspIRCd vulnerabilities

Published Apr 2, 2025
·
Updated

It was discovered that InspIRCd did not correctly handle certificate fingerprints, which could lead to spoofing. A remote attacker could possibly use this issue to bypass authentication. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-7142) It was discovered that InspIRCd did not correctly handle certain memory operations, which could lead to a NULL pointer dereference. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-20917) It was discovered that InspIRCd did not correctly handle certain memory operations, which could lead to a use-after-free. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2020-25269)

Affected Software

6 affected componentsFixes available
All of the following
ubuntu/inspircd<3.4.0-2ubuntu1+esm1
3.4.0-2ubuntu1+esm1
Ubuntu Ubuntu=20.04
All of the following
ubuntu/inspircd<2.0.24-1ubuntu1+esm1
2.0.24-1ubuntu1+esm1
Ubuntu Ubuntu=18.04
All of the following
ubuntu/inspircd<2.0.20-5ubuntu0.1~esm1
2.0.20-5ubuntu0.1~esm1
Ubuntu Ubuntu=16.04

Event History

Apr 2, 2025
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-7405-1?

The severity of USN-7405-1 is high due to its potential to allow remote attackers to bypass authentication.

2

How do I fix USN-7405-1?

To fix USN-7405-1, upgrade the InspIRCd package to the recommended versions for your Ubuntu release.

3

Which versions of Ubuntu are affected by USN-7405-1?

USN-7405-1 affects Ubuntu 16.04 LTS, 18.04 LTS, and 20.04 LTS.

4

What is the vulnerability identified in USN-7405-1?

The vulnerability in USN-7405-1 involves InspIRCd incorrectly handling certificate fingerprints, leading to potential spoofing.

5

Can USN-7405-1 be exploited remotely?

Yes, a remote attacker could exploit USN-7405-1 to bypass authentication.

Contact

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