Information Disclosure in Mozilla Firefox (CVE‑2013‑1675) Allows Remote Memory Read
What It Is – A flaw in Firefox’s handling of nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale leaves uninitialized data structures exposed. An attacker can craft a malicious web page that reads arbitrary process memory, potentially exposing sensitive information.
Exploitability – The vulnerability is remotely exploitable via a standard web page; proof‑of‑concept code exists. CVSS v3.1 base score is 5.3 (Moderate).
Affected Products – Mozilla Firefox browsers (all versions prior to the security update released in 2013).
Why It Matters for Trust & Control Assurance
- Vulnerability Management – Demonstrates the need for continuous inventory of software versions and timely patch deployment, a core control objective that maps to multiple frameworks (e.g., NIST CSF Identify ID.AM‑1, Protect PR.IP‑12).
- Evidence of Due Diligence – Maintaining auditable proof that browsers are patched satisfies auditors looking for a defensible security posture.
- Defensible Audit Trail – Continuous monitoring tools that capture patch status provide the “control‑as‑evidence” needed for enterprise‑level trust assessments.
Recommended Actions
- Verify the Firefox version on all endpoints; any version prior to the 2013 security release is vulnerable.
- Deploy the Mozilla‑provided patch or upgrade to the latest supported Firefox release.
- Update your asset inventory and vulnerability scanning rules to flag this CVE.
- Implement continuous monitoring to capture patch‑compliance evidence for audit readiness.
- Document the remediation steps in your control evidence repository.
Source: CISA KEV – CVE‑2013‑1675