ubuntu-cve-2021-41990
Vulnerability from osv_ubuntu
Published
2021-10-18 12:00
Modified
2025-09-08 16:47
Summary
Details
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.
Severity
7.5 (High)
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "charon-cmd",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "charon-systemd",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "libcharon-extra-plugins",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "libcharon-standard-plugins",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "libstrongswan",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "libstrongswan-extra-plugins",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "libstrongswan-standard-plugins",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-charon",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-libcharon",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-nm",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-pki",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-scepclient",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-starter",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-swanctl",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-tnc-base",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-tnc-client",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-tnc-ifmap",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-tnc-pdp",
"binary_version": "5.6.2-1ubuntu2.7"
},
{
"binary_name": "strongswan-tnc-server",
"binary_version": "5.6.2-1ubuntu2.7"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "strongswan",
"purl": "pkg:deb/ubuntu/strongswan@5.6.2-1ubuntu2.7?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.6.2-1ubuntu2.7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.5.1-4ubuntu2",
"5.5.1-4ubuntu3",
"5.6.1-2ubuntu1",
"5.6.1-2ubuntu2",
"5.6.1-2ubuntu3",
"5.6.1-2ubuntu4",
"5.6.2-1ubuntu2",
"5.6.2-1ubuntu2.2",
"5.6.2-1ubuntu2.3",
"5.6.2-1ubuntu2.4",
"5.6.2-1ubuntu2.5",
"5.6.2-1ubuntu2.6"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "charon-cmd",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "charon-systemd",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "libcharon-extra-plugins",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "libcharon-standard-plugins",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "libstrongswan",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "libstrongswan-extra-plugins",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "libstrongswan-standard-plugins",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-charon",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-hmac",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-libcharon",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-nm",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-pki",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-scepclient",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-starter",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-swanctl",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-tnc-base",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-tnc-client",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-tnc-ifmap",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-tnc-pdp",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
},
{
"binary_name": "strongswan-tnc-server",
"binary_version": "5.6.2-1ubuntu2.fips.2.7.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:FIPS-updates:18.04:LTS",
"name": "strongswan",
"purl": "pkg:deb/ubuntu/strongswan@5.6.2-1ubuntu2.fips.2.7.1?arch=source\u0026distro=fips-updates/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.6.2-1ubuntu2.fips.2.7.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.6.2-1ubuntu2.fips.2.5.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "charon-cmd",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "charon-systemd",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "libcharon-extra-plugins",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "libcharon-standard-plugins",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "libstrongswan",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "libstrongswan-extra-plugins",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "libstrongswan-standard-plugins",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-charon",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-hmac",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-libcharon",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-nm",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-pki",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-scepclient",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-starter",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-swanctl",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-tnc-base",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-tnc-client",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-tnc-ifmap",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-tnc-pdp",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
},
{
"binary_name": "strongswan-tnc-server",
"binary_version": "5.6.2-1ubuntu2.fips.2.5.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:FIPS:18.04:LTS",
"name": "strongswan",
"purl": "pkg:deb/ubuntu/strongswan@5.6.2-1ubuntu2.fips.2.5.1?arch=source\u0026distro=fips/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.6.2-1ubuntu2.fips.2.4.2",
"5.6.2-1ubuntu2.fips.2.5.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "charon-cmd",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "charon-systemd",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "libcharon-extauth-plugins",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "libcharon-extra-plugins",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "libcharon-standard-plugins",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "libstrongswan",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "libstrongswan-extra-plugins",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "libstrongswan-standard-plugins",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-charon",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-libcharon",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-nm",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-pki",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-scepclient",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-starter",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-swanctl",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-tnc-base",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-tnc-client",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-tnc-ifmap",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-tnc-pdp",
"binary_version": "5.8.2-1ubuntu3.3"
},
{
"binary_name": "strongswan-tnc-server",
"binary_version": "5.8.2-1ubuntu3.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "strongswan",
"purl": "pkg:deb/ubuntu/strongswan@5.8.2-1ubuntu3.3?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8.2-1ubuntu3.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.7.2-1ubuntu3",
"5.8.1-1ubuntu1",
"5.8.2-1ubuntu1",
"5.8.2-1ubuntu2",
"5.8.2-1ubuntu3",
"5.8.2-1ubuntu3.1",
"5.8.2-1ubuntu3.2"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "charon-cmd",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "charon-systemd",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "libcharon-extauth-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "libcharon-extra-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "libcharon-standard-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "libstrongswan",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "libstrongswan-extra-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "libstrongswan-standard-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-charon",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-hmac",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-libcharon",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-nm",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-pki",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-scepclient",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-starter",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-swanctl",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-tnc-base",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-tnc-client",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-tnc-ifmap",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-tnc-pdp",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
},
{
"binary_name": "strongswan-tnc-server",
"binary_version": "5.8.2-1ubuntu3.fips.3.3.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:FIPS-updates:20.04:LTS",
"name": "strongswan",
"purl": "pkg:deb/ubuntu/strongswan@5.8.2-1ubuntu3.fips.3.3.1?arch=source\u0026distro=fips-updates/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8.2-1ubuntu3.fips.3.3.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.8.2-1ubuntu3.fips.3.1.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "charon-cmd",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "charon-systemd",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "libcharon-extauth-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "libcharon-extra-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "libcharon-standard-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "libstrongswan",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "libstrongswan-extra-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "libstrongswan-standard-plugins",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-charon",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-hmac",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-libcharon",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-nm",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-pki",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-scepclient",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-starter",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-swanctl",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-tnc-base",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-tnc-client",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-tnc-ifmap",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-tnc-pdp",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
},
{
"binary_name": "strongswan-tnc-server",
"binary_version": "5.8.2-1ubuntu3.fips.3.1.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:FIPS:20.04:LTS",
"name": "strongswan",
"purl": "pkg:deb/ubuntu/strongswan@5.8.2-1ubuntu3.fips.3.1.2?arch=source\u0026distro=fips/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.8.2-1ubuntu3.fips.3.1.2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "charon-cmd",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "charon-systemd",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "libcharon-extauth-plugins",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "libcharon-extra-plugins",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "libstrongswan",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "libstrongswan-extra-plugins",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "libstrongswan-standard-plugins",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "strongswan",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "strongswan-charon",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "strongswan-libcharon",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "strongswan-nm",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "strongswan-pki",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "strongswan-scepclient",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "strongswan-starter",
"binary_version": "5.9.1-1ubuntu3.1"
},
{
"binary_name": "strongswan-swanctl",
"binary_version": "5.9.1-1ubuntu3.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "strongswan",
"purl": "pkg:deb/ubuntu/strongswan@5.9.1-1ubuntu3.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.9.1-1ubuntu3.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.9.1-1ubuntu3"
]
}
],
"aliases": [],
"details": "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.",
"id": "UBUNTU-CVE-2021-41990",
"modified": "2025-09-08T16:47:22Z",
"published": "2021-10-18T12:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-41990"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5111-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-41990"
}
],
"related": [
"USN-5111-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-41990"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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