UbuntuUSN-5111-1strongSwan vulnerabilities
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.1 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.061 Low
EPSS
Percentile
93.4%
Releases
- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 ESM
Packages
- strongswan - IPsec VPN solution
Details
It was discovered that strongSwan incorrectly handled certain RSASSA-PSS
signatures. A remote attacker could use this issue to cause strongSwan to
crash, resulting in a denial of service. (CVE-2021-41990)
It was discovered that strongSwan incorrectly handled replacing
certificates in the cache. A remote attacker could use this issue to cause
strongSwan to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2021-41991)
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 21.10 | noarch | libstrongswan | < 5.9.1-1ubuntu3.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | charon-cmd | < 5.9.1-1ubuntu3.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | charon-cmd-dbgsym | < 5.9.1-1ubuntu3.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | charon-systemd | < 5.9.1-1ubuntu3.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | charon-systemd-dbgsym | < 5.9.1-1ubuntu3.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libcharon-extauth-plugins | < 5.9.1-1ubuntu3.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libcharon-extauth-plugins-dbgsym | < 5.9.1-1ubuntu3.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libcharon-extra-plugins | < 5.9.1-1ubuntu3.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libcharon-extra-plugins-dbgsym | < 5.9.1-1ubuntu3.1 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libstrongswan-dbgsym | < 5.9.1-1ubuntu3.1 | UNKNOWN |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.1 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.061 Low
EPSS
Percentile
93.4%