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CVE-2017-3962: Mcafee Network Security Manager: Use of Password Hash With Insufficient Computational Effort
CVE-2017-3962 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists Mcafee Network Security Manager as the affected product. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
Password recovery exploitation vulnerability in the non-certificate-based authentication mechanism in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows attackers to crack user passwords via unsalted hashes.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-916: Use of Password Hash With Insufficient Computational Effort
The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive.
Affected products
- Mcafee Network Security Manager: before 8.2.7.42.2