Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSummary
CVE-2017-5030 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Google Chrome. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 1% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog; a public proof-of-concept is referenced.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
The vulnerability is an out-of-bounds read (CWE-125) stemming from incorrect handling of complex species in the V8 JavaScript engine. It affects Google Chrome versions prior to 57.0.2987.98 on Linux, Windows, and Mac, and prior to 57.0.2987.108 on Android, and carries a CVSS 3.1 base score of 8.8.
A remote attacker can exploit the flaw by serving a specially crafted HTML page that triggers the mishandling in V8. Successful exploitation grants arbitrary code execution in the context of the renderer process, with the attack vector requiring user interaction such as visiting a malicious site.
Vendor advisories, including the Chrome stable channel update, Red Hat RHSA-2017-0499, and Debian DSA-3810, direct users to upgrade to the fixed releases listed above; the corresponding Chromium bug report (682194) provides additional technical detail on the patch. No information on observed in-the-wild exploitation is supplied in the references.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2017-14139
Vulnerability Data
Incorrect handling of complex species in V8 in Google Chrome prior to 57.0.2987.98 for Linux, Windows, and Mac and 57.0.2987.108 for Android allowed a remote attacker to execute arbitrary code via a crafted HTML page.
- CWE(s)
- KEV Date Added
- 08 June 2022
Related Threats
MITRE ATT&CK Enterprise Techniques
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Affected Assets
Mitigating Controls
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure-development practices such as bounds checking and memory-safe languages directly prevent out-of-bounds reads.
Vulnerability scanning and recording can discover instances of out-of-bounds reads after code is deployed.
Routine patching replaces vulnerable code containing out-of-bounds read flaws.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing in development and acceptance includes fuzzing and static analysis that detect out-of-bounds read defects before release.
Logging can record evidence of an out-of-bounds read but does not prevent the weakness itself.
Secure development life cycle mandates input validation and bounds checking that directly prevent out-of-bounds reads.
Application security requirements include explicit bounds and memory-safety specifications that mitigate buffer over-reads.
Secure system architecture and engineering principles require memory-safe design patterns and runtime protections against out-of-bounds access.
Secure coding standards explicitly forbid unsafe pointer arithmetic and mandate bounds-checked reads, eliminating CWE-125.