Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2022-43680

Disclosure Date: October 24, 2022
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.

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CVSS V3 Severity and Metrics
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • debian,
  • fedoraproject,
  • libexpat project,
  • netapp

Products

  • active iq unified manager -,
  • debian linux 10.0,
  • debian linux 11.0,
  • fedora 35,
  • fedora 36,
  • fedora 37,
  • h300s firmware -,
  • h410c firmware -,
  • h410s firmware -,
  • h500s firmware -,
  • h700s firmware -,
  • hci compute node firmware -,
  • libexpat,
  • oncommand workflow automation -,
  • solidfire & hci management node -

References

Advisory

Additional Info

Technical Analysis