THREATPORT/VULNERABILITY/CVE-2018-17622
MEDIUM SEVERITY

CVE-2018-17622

Phantompdf vulnerability

CVSS
6.5
EPSS
3.0%
EPSS pct
86th
Exploited
No known
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.1.0.5096. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Calculate events. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6354.
Affected vendor
Foxitsoftware
Affected product
Phantompdf
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness type (CWE)
Published
2018-10-29

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.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2018-17622

  • Confirm whether Foxitsoftware Phantompdf is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-17622.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-17622

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-17622 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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