UbuntuUSN-5250-1strongSwan vulnerability
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
9.6 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
53.5%
Releases
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 ESM
Packages
- strongswan - IPsec VPN solution
Details
Zhuowei Zhang discovered that stringSwan incorrectly handled EAP
authentication. A remote attacker could use this issue to cause strongSwan
to crash, resulting in a denial of service, or possibly bypass client and
server authentication.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 21.10 | noarch | libstrongswan | < 5.9.1-1ubuntu3.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | charon-cmd | < 5.9.1-1ubuntu3.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | charon-cmd-dbgsym | < 5.9.1-1ubuntu3.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | charon-systemd | < 5.9.1-1ubuntu3.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | charon-systemd-dbgsym | < 5.9.1-1ubuntu3.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libcharon-extauth-plugins | < 5.9.1-1ubuntu3.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libcharon-extauth-plugins-dbgsym | < 5.9.1-1ubuntu3.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libcharon-extra-plugins | < 5.9.1-1ubuntu3.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libcharon-extra-plugins-dbgsym | < 5.9.1-1ubuntu3.2 | UNKNOWN |
| Ubuntu | 21.10 | noarch | libstrongswan-dbgsym | < 5.9.1-1ubuntu3.2 | UNKNOWN |
References
Related
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
9.6 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
53.5%