CVE-2016-7142
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL...
CVE-2016-7142 is a medium vulnerability (CVSS 5.9) in Inspircd, published September 8, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. Fixed in inspircd 2.0.23-1.
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.
- Record
CVE-2016-7142- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.
- Record
CVE-2016-7142- Updated
- 2026-11-02
EUVDEUVD-2016-8014 No score
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.
- Record
EUVD-2016-8014- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2vvc-952f-f8xg
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL...
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.
- Record
GHSA-2vvc-952f-f8xg- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSV
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.
- Record
CVE-2016-7142- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-7142
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.
- Record
DEBIAN-CVE-2016-7142- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-7142
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.
- Record
UBUNTU-CVE-2016-7142- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVUSN-7405-1 No score
inspircd vulnerabilities
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)
- Record
USN-7405-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
inspircdDebian:12 |
before 2.0.23-1 | 2.0.23-1 |
inspircdDebian:13 |
before 2.0.23-1 | 2.0.23-1 |
inspircdDebian:8 |
before 2.0.17-1+deb8u2, plus listed versions 2.0.17-12.0.17-1+deb8u1 |
2.0.17-1+deb8u2 |
inspircdUbuntu:Pro:16.04:LTS |
before 2.0.20-5ubuntu0.1~esm1, plus listed versions 2.0.20-32.0.20-42.0.20-52.0.20-5build12.0.20-5build2 |
2.0.20-5ubuntu0.1~esm1 |
inspircdUbuntu:Pro:18.04:LTS |
before 2.0.24-1ubuntu1+esm1, plus listed versions 2.0.24-1ubuntu1 |
2.0.24-1ubuntu1+esm1 |
inspircdUbuntu:Pro:20.04:LTS |
before 3.4.0-2ubuntu1+esm1, plus listed versions 2.0.27-1ubuntu23.4.0-2ubuntu1 |
3.4.0-2ubuntu1+esm1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |