THREATPORT/VULNERABILITY/CVE-2017-17557
HIGH SEVERITY

CVE-2017-17557

Foxit Reader vulnerability

CVSS
8.8
EPSS
3.6%
EPSS pct
88th
Exploited
No known
In Foxit Reader before 9.1 and Foxit PhantomPDF before 9.1, a flaw exists within the parsing of the BITMAPINFOHEADER record in BMP files. The issue results from the lack of proper validation of the biSize member, which can result in a heap based buffer overflow. An attacker can leverage this to execute code in the context of the current process.
Affected vendor
Foxitsoftware
Affected product
Foxit Reader
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2018-04-24

Risk analysis

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

Its EPSS score of 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2017-17557

  • Confirm whether Foxitsoftware Foxit Reader is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-17557.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-17557

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-17557 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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