VulnerabilityModified
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.
HIGH 7.5EPSS 6.65%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 6.65% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- strongswan/strongswan · debian/debian linux · fedoraproject/fedora · siemens/6gk6108-4am00-2ba2 firmware · siemens/6gk6108-4am00-2da2 firmware · siemens/6gk5804-0ap00-2aa2 firmware · siemens/6gk5812-1aa00-2aa2 firmware · siemens/6gk5812-1ba00-2aa2 firmware · siemens/6gk5816-1aa00-2aa2 firmware · siemens/6gk5816-1ba00-2aa2 firmware · siemens/6gk5826-2ab00-2ab2 firmware · siemens/6gk5874-2aa00-2aa2 firmware · siemens/6gk5874-3aa00-2aa2 firmware · siemens/6gk5876-3aa02-2ba2 firmware · siemens/6gk5876-3aa02-2ea2 firmware · siemens/6gk5876-4aa00-2ba2 firmware · siemens/6gk5876-4aa00-2da2 firmware · siemens/6gk5856-2ea00-3da1 firmware · siemens/6gk5856-2ea00-3aa1 firmware · siemens/6gk5615-0aa00-2aa2 firmware
- Source
- cve@mitre.org
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdfThird Party Advisory
- https://github.com/strongswan/strongswan/releases/tag/5.9.4Release Notes, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/
- https://www.debian.org/security/2021/dsa-4989Third Party Advisory
- https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdfThird Party Advisory
- https://github.com/strongswan/strongswan/releases/tag/5.9.4Release Notes, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/
- https://www.debian.org/security/2021/dsa-4989Third Party Advisory
- https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.