Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Published 2018-11-14 15:29:01
Updated 2020-08-24 17:37:01
Source Google Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowMemory Corruption

CVE-2018-6065 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Google Chromium V8 Integer Overflow Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Google Chromium V8 Engine contains an integer overflow vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2018-6065
Added on 2022-06-08 Action due date 2022-06-22

Exploit prediction scoring system (EPSS) score for CVE-2018-6065

96.46%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-6065

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
8.8
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2018-6065

  • The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
    Assigned by: nvd@nist.gov (Primary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-6065

Products affected by CVE-2018-6065

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