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CVE-2017-3968: Mcafee Network Data Loss Prevention: Information disclosure

CVE-2017-3968 is rated critical with a CVSS v3.0 base score of 9.1 and affects Mcafee Network Data Loss Prevention. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.

Vulnerability description

Session fixation vulnerability in the web interface in McAfee Network Security Manager (NSM) before 8.2.7.42.2 and McAfee Network Data Loss Prevention (NDLP) before 9.3.4.1.5 allows remote attackers to disclose sensitive information or manipulate the database via a crafted authentication cookie.

Severity breakdown

CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

  • 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: None. No effect on availability.

Underlying weakness

CWE-384: Session Fixation

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.

Affected products

  • Mcafee Network Data Loss Prevention: before 9.3.4.1.5
  • Mcafee Network Security Manager: before 8.2.7.42.2

References