CVE-2021-41990
Published: 18 October 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.
Notes
| Author | Note |
|---|---|
| mdeslaur | affects 5.6.1+ |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
strongswan Launchpad, Ubuntu, Debian |
bionic |
Released
(5.6.2-1ubuntu2.7)
|
| focal |
Released
(5.8.2-1ubuntu3.3)
|
|
| hirsute |
Released
(5.9.1-1ubuntu1.2)
|
|
| impish |
Released
(5.9.1-1ubuntu3.1)
|
|
| jammy |
Released
(5.9.1-1ubuntu3.1)
|
|
| kinetic |
Released
(5.9.1-1ubuntu3.1)
|
|
| lunar |
Released
(5.9.1-1ubuntu3.1)
|
|
| mantic |
Released
(5.9.1-1ubuntu3.1)
|
|
| noble |
Released
(5.9.1-1ubuntu3.1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |