Debian update for mosquitto
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-7650 |
| CWE-ID | CWE-20 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Debian Linux Operating systems & Components / Operating system |
| Vendor | Debian |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper input validation
EUVDB-ID: #VU6840
Risk: Low
CVSSv3.1: 3.5 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-7650
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to improper handling of usernames, containing ‘#’ or ‘+’ characters, within pattern based ACLs. A remote attacker can create a specially crafted username and bypass implemented security mechanisms.
Update the affected package to version 1.3.4-2+deb8u1 or 1.4.10-3.
Vulnerable software versionsDebian Linux: All versions
External linkshttp://www.debian.org/security/2017/dsa-3865
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
