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CVE-2017-15896: The result was that an active network attacker could send application data to Node.js using the TLS or HTTP2…
CVE-2017-15896 is rated critical with a CVSS v3.1 base score of 9.1 and affects Node.Js. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.
Vulnerability description
Node.js was affected by OpenSSL vulnerability CVE-2017-3737 in regards to the use of SSL_read() due to TLS handshake failure. The result was that an active network attacker could send application data to Node.js using the TLS or HTTP2 modules in a way that bypassed TLS authentication and encryption.
Severity breakdown
CVSS v3.1 9.1: CVSS:3.1/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.
Affected products
- Node.Js: from 4.0.0 up to and including 4.1.2; from 4.2.0 before 4.8.7; from 6.0.0 up to and including 6.8.1; from 6.9.0 before 6.12.2; from 8.0.0 up to and including 8.8.1; from 8.9.0 before 8.9.3; from 9.0.0 before 9.2.1