USN-7405-1: InspIRCd vulnerabilities
First published: Wed Apr 02 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 | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/inspircd | <3.4.0-2ubuntu1+esm1 | 3.4.0-2ubuntu1+esm1 |
| Ubuntu | =20.04 | |
| All of | ||
| ubuntu/inspircd | <2.0.24-1ubuntu1+esm1 | 2.0.24-1ubuntu1+esm1 |
| Ubuntu | =18.04 | |
| All of | ||
| ubuntu/inspircd | <2.0.20-5ubuntu0.1~esm1 | 2.0.20-5ubuntu0.1~esm1 |
| Ubuntu | =16.04 |
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Reference Links
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
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.
How do I fix USN-7405-1?
To fix USN-7405-1, upgrade the InspIRCd package to the recommended versions for your Ubuntu release.
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.
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.
Can USN-7405-1 be exploited remotely?
Yes, a remote attacker could exploit USN-7405-1 to bypass authentication.
- collector/usn
- source/Ubuntu
- agent/software-canonical-lookup
- agent/references
- agent/title
- agent/source
- agent/weakness
- agent/softwarecombine
- agent/last-modified-date
- agent/tags
- agent/type
- agent/description
- agent/first-publish-date
- agent/event
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu
- version/ubuntu/20.04
- version/ubuntu/18.04
- version/ubuntu/16.04