Severity: Low
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]
CVE-ID: CVE-2018-12546
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
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The vulnerability exists due to an error when messages were still delivered to clients after their access to topic was revoked.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.
MitigationUpdate the affected package to version: 1.4.10-3+deb9u3.
Vulnerable software versionsmosquitto (Debian package): 1.4.3-1, 1.4.4-1, 1.4.7-1, 1.4.8-1, 1.4.10-1, 1.4.10-2, 1.4.10-3, 1.4.10-3+deb9u1, 1.4.10-3+deb9u2
CPEhttps://www.debian.org/security/2019/dsa-4388
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Severity: Medium
CVSSv3: 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] [PCI]
CVE-ID: CVE-2018-12550
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
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.
Vulnerable software versionsmosquitto (Debian package): 1.4.3-1, 1.4.4-1, 1.4.7-1, 1.4.8-1, 1.4.10-1, 1.4.10-2, 1.4.10-3, 1.4.10-3+deb9u1, 1.4.10-3+deb9u2
CPEhttps://www.debian.org/security/2019/dsa-4388
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Severity: Low
CVSSv3: 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] [PCI]
CVE-ID: CVE-2018-12551
CWE-ID:
CWE-20 - Improper Input Validation
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.
Vulnerable software versionsmosquitto (Debian package): 1.4.3-1, 1.4.4-1, 1.4.7-1, 1.4.8-1, 1.4.10-1, 1.4.10-2, 1.4.10-3, 1.4.10-3+deb9u1, 1.4.10-3+deb9u2
CPEhttps://www.debian.org/security/2019/dsa-4388
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.