Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-41990

Severity CVSS v4.0:
Pending analysis
Type:
CWE-190 Integer Overflow or Wraparound
Publication date:
18/10/2021
Last modified:
07/11/2023

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
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

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* 5.6.1 (including) 5.9.4 (excluding)
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:h:siemens:6gk6108-4am00-2ba2:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:6gk6108-4am00-2ba2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:6gk6108-4am00-2da2:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:6gk6108-4am00-2da2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:6gk5804-0ap00-2aa2:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:6gk5804-0ap00-2aa2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:6gk5812-1aa00-2aa2:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:6gk5812-1aa00-2aa2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:6gk5812-1ba00-2aa2:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools