CVE-2018-16875 (High) detected in webpki-0.21.2.crate, webpki-0.21.0.crate

[mend-bolt-for-github]

CVE-2018-16875 - High Severity Vulnerability

Vulnerable Libraries - webpki-0.21.2.crate, webpki-0.21.0.crate

webpki-0.21.2.crate

Web PKI X.509 Certificate Verification.

Library home page: https://crates.io/api/v1/crates/webpki/0.21.2/download

Path to dependency file: /third_party/rust_crates/vendor/hyper-rustls/Cargo.toml

Path to vulnerable library: /third_party/rust_crates/vendor/hyper-rustls/Cargo.toml,/third_party/rust_crates/vendor/rustls-native-certs/Cargo.toml,/third_party/rust_crates/vendor/h2/Cargo.toml,/third_party/rust_crates/tiny_mirrors/rustls/Cargo.toml

Dependency Hierarchy:

• ❌ webpki-0.21.2.crate (Vulnerable Library)

webpki-0.21.0.crate

Web PKI X.509 Certificate Verification.

Library home page: https://crates.io/api/v1/crates/webpki/0.21.0/download

Path to dependency file: /third_party/rust_crates/vendor/trust-dns-resolver/Cargo.toml

Path to vulnerable library: /third_party/rust_crates/vendor/trust-dns-resolver/Cargo.toml,/third_party/rust_crates/Cargo.toml

Dependency Hierarchy:

• ❌ webpki-0.21.0.crate (Vulnerable Library)

Found in HEAD commit: 4ec0c406a28f193fe6e7376ee7696cca0532d4ba

Found in base branch: master

Vulnerability Details

The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients are affected.

Publish Date: 2018-12-14

URL: CVE-2018-16875

CVSS 3 Score Details (7.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-fh2r-99q2-6mmg

Release Date: 2018-12-14

Fix Resolution: golang 1.10.6,golang 1.11.3, webpki - 0.22.2, rustls-webpki - 0.100.2,0.101.4

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