Vulnerability Details : CVE-2018-3985
Potential exploit
An exploitable double free vulnerability exists in the mdnscap binary of the CUJO Smart Firewall. When parsing mDNS packets, a memory space is freed twice if an invalid query name is encountered, leading to arbitrary code execution in the context of the mdnscap process. An unauthenticated attacker can send an mDNS message to trigger this vulnerability.
Vulnerability category: Memory Corruption
Products affected by CVE-2018-3985
- cpe:2.3:a:getcujo:smart_firewall:7003:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-3985
2.51%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-3985
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
8.3
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L |
3.9
|
3.7
|
Talos | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-3985
-
The product calls free() twice on the same memory address.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-3985
-
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0653
TALOS-2018-0653 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Third Party Advisory
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