Vulnerability Monitor

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CVE-2021-41990

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.

Published

2021-10-18T14:15:10.297

Last Modified

2024-11-21T06:27:01.873

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	strongswan	strongswan	< 5.9.4	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	debian	debian_linux	11.0	Yes
Operating System	fedoraproject	fedora	33	Yes
Operating System	fedoraproject	fedora	34	Yes
Operating System	fedoraproject	fedora	35	Yes
Operating System	siemens	6gk6108-4am00-2ba2_firmware	-	Yes
Hardware	siemens	6gk6108-4am00-2ba2	-	No
Operating System	siemens	6gk6108-4am00-2da2_firmware	-	Yes
Hardware	siemens	6gk6108-4am00-2da2	-	No
Operating System	siemens	6gk5804-0ap00-2aa2_firmware	-	Yes
Hardware	siemens	6gk5804-0ap00-2aa2	-	No
Operating System	siemens	6gk5812-1aa00-2aa2_firmware	-	Yes
Hardware	siemens	6gk5812-1aa00-2aa2	-	No
Operating System	siemens	6gk5812-1ba00-2aa2_firmware	-	Yes
Hardware	siemens	6gk5812-1ba00-2aa2	-	No
Operating System	siemens	6gk5816-1aa00-2aa2_firmware	-	Yes
Hardware	siemens	6gk5816-1aa00-2aa2	-	No
Operating System	siemens	6gk5816-1ba00-2aa2_firmware	-	Yes
Hardware	siemens	6gk5816-1ba00-2aa2	-	No
Operating System	siemens	6gk5826-2ab00-2ab2_firmware	-	Yes
Hardware	siemens	6gk5826-2ab00-2ab2	-	No
Operating System	siemens	6gk5874-2aa00-2aa2_firmware	-	Yes
Hardware	siemens	6gk5874-2aa00-2aa2	-	No
Operating System	siemens	6gk5874-3aa00-2aa2_firmware	-	Yes
Hardware	siemens	6gk5874-3aa00-2aa2	-	No
Operating System	siemens	6gk5876-3aa02-2ba2_firmware	-	Yes
Hardware	siemens	6gk5876-3aa02-2ba2	-	No
Operating System	siemens	6gk5876-3aa02-2ea2_firmware	-	Yes
Hardware	siemens	6gk5876-3aa02-2ea2	-	No
Operating System	siemens	6gk5876-4aa00-2ba2_firmware	-	Yes
Hardware	siemens	6gk5876-4aa00-2ba2	-	No
Operating System	siemens	6gk5876-4aa00-2da2_firmware	-	Yes
Hardware	siemens	6gk5876-4aa00-2da2	-	No
Operating System	siemens	6gk5856-2ea00-3da1_firmware	-	Yes
Hardware	siemens	6gk5856-2ea00-3da1	-	No
Operating System	siemens	6gk5856-2ea00-3aa1_firmware	-	Yes
Hardware	siemens	6gk5856-2ea00-3aa1	-	No
Operating System	siemens	6gk5615-0aa00-2aa2_firmware	-	Yes
Hardware	siemens	6gk5615-0aa00-2aa2	-	No

References

https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf Third Party Advisory ([email protected])
https://github.com/strongswan/strongswan/releases/tag/5.9.4 Release Notes, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/ ([email protected])
https://www.debian.org/security/2021/dsa-4989 Third Party Advisory ([email protected])
https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/strongswan/strongswan/releases/tag/5.9.4 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-4989 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html (af854a3a-2127-422b-91ae-364da2661108)