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Ubuntu 20.04 LTS: USN-7405-1 moderate: InspIRCd remote access

ubuntu
Calendar Grey April 2, 2025
Dist Ubuntu Esm H88
Numerous vulnerabilities resolved within Ubuntu's InspIRCd framework, bolstering security and defenses against prevalent risks.
Several security issues were fixed in InspIRCd.

Summary

Several security issues were fixed in InspIRCd.

Software Description:

- inspircd: Modular IRCd written in C++

Details:

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)

Topics%20covered

Topics Covered

security advisory denial of service remote access Ubuntu authentication InspIRCd

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS
   inspircd                        3.4.0-2ubuntu1+esm1
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   inspircd                        2.0.24-1ubuntu1+esm1
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   inspircd                        2.0.20-5ubuntu0.1~esm1
                                   Available with Ubuntu Pro

After a standard system update you need to restart InspIRCd to make
all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-7405-1

  CVE-2016-7142, CVE-2019-20917, CVE-2020-25269

Ubuntu Security Notice USN-7405-1

Topics%20covered

Topics Covered

security advisory denial of service remote access Ubuntu authentication InspIRCd

Package Information

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