| Severity | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE ID | CVE-2018-12546 CVE-2018-12550 CVE-2018-12551 |
| CVSSv3 |
3.8 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C] 4.6 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C] 4.9 [CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C] |
| CWE ID |
CWE-264 CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
mosquitto (Debian package) |
| Vulnerable software versions |
mosquitto (Debian package) 1.4.10-3+deb9u2 mosquitto (Debian package) 1.4.10-3+deb9u1 mosquitto (Debian package) 1.4.3-1 Show more |
| Vendor URL | Debian |
The vulnerability allows a remote authenticated user to gain access to potentially sensitive information.
The vulnerability exists due to an error when messages were still delivered to clients after their access to topic was revoked. A remote authenticated user was able to obtain potentially sensitive information.
RemediationUpdate the affected package to version: 1.4.10-3+deb9u3.
External linkshttps://www.debian.org/security/2019/dsa-4388
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to insecure default permissions to topics and messages, if the ACL file is blank. A remote attacker can gain unauthorized access to sensitive information.
Update the affected package to version: 1.4.10-3+deb9u3.
External linkshttps://www.debian.org/security/2019/dsa-4388
The vulnerability allows a remote attacker to bypass password authentication.
The vulnerability exists due to insufficient validation of malformed input in a password file, when it is used for authentication. Incorrect data in password file will be treated by the application as a username with empty password, allowing attacker to gain unauthorized access to the application.
Update the affected package to version: 1.4.10-3+deb9u3.
External linkshttps://www.debian.org/security/2019/dsa-4388