Skip to content

CVE-2022-30190

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word.

High Known exploited
Severity
7.8 / 10
High · CVSS 3.1
Exploit chance (EPSS)
99.16%
Chance of exploitation in the next 30 days. Higher than 99.93% of scored vulnerabilities.
Known exploited
Yes
In CISA's catalog since Jun 14, 2022
Fix
None yet
No fixed version published
Exploited in the wild. Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability (Microsoft Windows). Required action: Apply updates per vendor instructions. Due for U.S. federal agencies by Jul 5, 2022. Known to be used in ransomware campaigns.

Description

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application. The attacker can then install programs, view, change, or delete data, or create new accounts in the context allowed by the user’s rights. Please see the MSRC Blog Entry for important information about steps you can take to protect your system from this vulnerability.

How to fix

No fixed version has been published yet. Until one is, remove or replace the package, or turn off or isolate the affected feature. This page updates when a fix ships.

Severity breakdown

CVSS 3.1 7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

References

Timeline

  1. Published
  2. Added to CISA's Known Exploited Vulnerabilities catalog
  3. Remediation due for U.S. federal agencies
  4. Last updated by the source
  5. Latest EPSS score
AdvisorySeverityWhy it's related
GHSA-5849-834g-hvw5
pypdf has possible infinite loop when hitting EOF in standard xref table during trailer search
High Same weakness,
GHSA-cggf-277g-3q54
pypdf has possible large memory usage when parsing page tree
High Same weakness,
GHSA-mfr5-77xh-9j7h
pypdf has possible infinite loop when cloning dictionaries
High Same weakness,
GHSA-3g3m-2fjr-6pw4
Glob: AbortSignal cancellation bypass allows post-timeout filesystem traversal
Medium Same weakness,
GHSA-42gh-23hr-vphw
pypdf has possible long runtimes when retrieving page labels
High Same weakness,
GHSA-4vqv-7265-gm2w
pypdf has possible large memory usage for exceptions in strict mode
High Same weakness,
GHSA-62m5-6wh8-28x7
pypdf has possible long runtimes/large memory usage for encrypted PDF files
High Same weakness,
GHSA-2qm8-x737-gmw5
pyasn1 has quadratic CPU consumption in constructed BIT STRING decoding
High Same weakness,
Is this in your code?

MergeHarbor checks every repository's dependencies against this database, ranks what matters by exploitability and reachability, routes it to the owning team and opens the fix pull request.

Check your repos with MergeHarbor