CVE-2018-3985
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
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.
Overview
- CVE ID
- CVE-2018-3985
- Assigner
- talos-cna@cisco.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-03-21T16:29:01
- Last Modified Date
- 2023-02-03T01:41:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:getcujo:smart_firewall:7003:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2018-0653 | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-3985 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3985 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-20 17:01:21 | Added to TrackCVE | |||
| 2022-12-03 18:30:06 | 2019-03-21T16:29Z | 2019-03-21T16:29:01 | CVE Published Date | updated |
| 2022-12-03 18:30:06 | 2022-04-19T18:15:36 | CVE Modified Date | updated | |
| 2022-12-03 18:30:06 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-02-03 02:07:49 | 2023-02-03T01:41:26 | CVE Modified Date | updated | |
| 2023-02-03 02:07:49 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |