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CVE-2021-41990

Date: October 18, 2021

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.

Language: C

Severity Score

Related Resources (16)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/
https://nvd.nist.gov/vuln/detail/CVE-2021-41990
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/
https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-(cve-2021-41990).html
https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-41990
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/
https://security-tracker.debian.org/tracker/CVE-2021-41990
https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf
https://security.alpinelinux.org/vuln/CVE-2021-41990
https://www.debian.org/security/2021/dsa-4989
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/
https://github.com/strongswan/strongswan/releases/tag/5.9.4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/
https://www.mend.io/vulnerability-database/CVE-2021-41990

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

CVSS v3.1

Base Score:
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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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