THREATPORT/VULNERABILITY/CVE-2017-5428
CRITICAL SEVERITY

CVE-2017-5428

Enterprise Linux vulnerability

CVSS
9.8
EPSS
3.3%
EPSS pct
87th
Exploited
No known
An integer overflow in "createImageBitmap()" was reported through the Pwn2Own contest. The fix for this vulnerability disables the experimental extensions to the "createImageBitmap" API. This function runs in the content sandbox, requiring a second vulnerability to compromise a user's computer. This vulnerability affects Firefox ESR < 52.0.1 and Firefox < 52.0.1.
Affected vendor
Redhat
Affected product
Enterprise Linux
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-190 — Integer Overflow or Wraparound
Published
2018-06-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2017-5428

  • Confirm whether Redhat Enterprise Linux is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-5428.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-5428

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