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

CVE-2021-41990

Disclosure Date: October 18, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.

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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,
  • siemens,
  • strongswan

Products

  • 6gk5615-0aa00-2aa2 firmware -,
  • 6gk5804-0ap00-2aa2 firmware -,
  • 6gk5812-1aa00-2aa2 firmware -,
  • 6gk5812-1ba00-2aa2 firmware -,
  • 6gk5816-1aa00-2aa2 firmware -,
  • 6gk5816-1ba00-2aa2 firmware -,
  • 6gk5826-2ab00-2ab2 firmware -,
  • 6gk5856-2ea00-3aa1 firmware -,
  • 6gk5856-2ea00-3da1 firmware -,
  • 6gk5874-2aa00-2aa2 firmware -,
  • 6gk5874-3aa00-2aa2 firmware -,
  • 6gk5876-3aa02-2ba2 firmware -,
  • 6gk5876-3aa02-2ea2 firmware -,
  • 6gk5876-4aa00-2ba2 firmware -,
  • 6gk5876-4aa00-2da2 firmware -,
  • 6gk6108-4am00-2ba2 firmware -,
  • 6gk6108-4am00-2da2 firmware -,
  • debian linux 10.0,
  • debian linux 11.0,
  • fedora 33,
  • fedora 34,
  • fedora 35,
  • strongswan
Technical Analysis