CyberSecBulletin
CVE-2022-30557NVD status: Modified

PDF Editor: Access of Resource Using Incompatible Type

Published Updated By the CyberSecBulletin desk

CVE-2022-30557 is a high-severity access of resource using incompatible type vulnerability in PDF Editor from Foxit, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 11.2.2 as the first without the flaw, so updating PDF Editor to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 4.61% chance of exploitation within 30 days, which is in the top 8.18% of all scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update PDF Editor to 11.2.2 or a later version.
  2. Update PDF Reader to 11.2.2 or a later version.
  3. Read the advisory on foxit.com for workarounds and exact fixed builds.
  4. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
FoxitPDF Editor10.1.7.37777 and earlier; 11.0 up to, but not including, 11.2.211.2.2
FoxitPDF Readerbefore 11.2.211.2.2

Version data comes from NVD's product matching. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.5HighNVD
CVSS 2.05.0MediumNVD

Official description

Foxit PDF Reader and PDF Editor before 11.2.2 have a Type Confusion issue that causes a crash because of Unsigned32 mishandling during JavaScript execution.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Access of Resource Using Incompatible Type

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

More Access of Resource Using Incompatible Type vulnerabilities (CWE-843)

Timeline

  1. CVE record published.
  2. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in PDF Editor

All PDF Editor vulnerabilities

Recent Access of Resource Using Incompatible Type vulnerabilities

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