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CVE-2024-10491 is a vulnerability affecting Express.js versions prior to 5.3.0.
The flaw specifically involves improper sanitization of HTTP response header values.
Particularly, the `Link` header is susceptible to injection and manipulation attacks.
Attackers can inject arbitrary characters such as commas, semicolons, and angle brackets.
These characters allow the preloading of malicious external resources or scripts.
In web applications using vulnerable Express versions, response headers lack robust validation.
This permits header injection vulnerabilities that can bypass security boundaries.
StackRadar relied on Express 5.2.1 in its server component, exposing dependencies.
Transitive dependency chains within npm lockfiles inherited this underlying weakness.
Attack vectors rely on specially crafted payloads sent via dynamic routing parameters.
When the application reflects these parameters into the `Link` header, execution triggers.
Browsers parse the malicious header instructions and load external untrusted sources.
This can lead to cross-site scripting or unauthorized resource preloading conditions.
Security scanners flag this transitive risk during continuous container image checks.
The maintainer `@mariusjor` addressed this in the `0.2.0-rc.1` release for StackRadar.
By bumping `express` from version 5.2.1 to 5.3.0, the core sanitization logic is fixed.
Additional dependency updates like `drizzle-orm` and `@primer/primitives` were also applied.
Clean lockfiles ensure that compiled container images contain no known transitive flaws.
Cosign keyless signatures verify the integrity of the newly published container images.
Operators must upgrade their Helm deployments or Docker Compose stacks immediately.
Failure to upgrade leaves server instances vulnerable to header injection exploits.
Remediation requires pulling the latest container images tagged with 0.2.0-rc.1.
Automated CI pipelines now incorporate OpenSSF Scorecard checks on every merge.
Verifying artifact signatures prevents malicious tampering during registry distribution.
Understanding this CVE highlights the critical importance of transitive dependency audits.
Container security tools like StackRadar itself depend on clean underlying libraries.
Keeping web frameworks updated neutralizes header manipulation attack vectors entirely.
Developers should audit all server response headers for strict character compliance.
Implementing robust input validation stops header splitting and injection risks.
Updating to Express 5.3.0 completely resolves CVE-2024-10491 across all deployment tiers.
DailyCVE Form:
Platform: StackRadar
Version: 0.2.0-rc.1
Vulnerability: Link Sanitization
Severity: Medium Risk
date: October 18
Prediction: Patched Today
What Undercode Say:
To verify container image signatures and update deployments using CLI commands:
cosign verify \ --certificate-identity-regexp '^https://github.com/lockdep/stackradar/.github/workflows/publish.yaml@refs/tags/v0.2.0-rc.1$' \ --certificate-oidc-issuer https://token.actions.githubusercontent.com \ ghcr.io/lockdep/stackradar-server:0.2.0-rc.1
For Helm upgrades:
helm upgrade stackradar oci://ghcr.io/lockdep/helm-charts/stackradar -n stackradar -f my-values.yaml --set server.image.tag=0.2.0-rc.1,client.image.tag=0.2.0-rc.1
For Docker Compose:
docker compose pull && docker compose up -d
Exploit: (Educational Purposes!)
An attacker crafts a malicious input containing control characters like commas and angle brackets destined for dynamic routing parameters. When the vulnerable Express.js application processes and assigns this value to the `Link` HTTP header without sanitization, browsers receive the modified header. The browser interprets the injected values as instructions to preload external malicious resources or scripts, enabling cross-site preloading or header manipulation.
Protection:
Upgrade Express.js dependencies to version 5.3.0 or higher. Ensure that all Helm charts and Docker Compose configurations reference the updated `0.2.0-rc.1` image tags. Utilize continuous vulnerability scanning tools to detect transitive dependency risks and enforce strict input validation on all HTTP response headers.
Impact:
Exploitation of CVE-2024-10491 can lead to unauthorized resource preloading, potential cross-site scripting conditions, and compromised integrity of HTTP responses served by vulnerable web applications.
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Sources:
Reported By: github.com
Extra Source Hub:
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