CVE-2020-12413
Published: 16 February 2023
The Raccoon attack is a timing attack on DHE ciphersuites inherit in the TLS specification. To mitigate this vulnerability, Firefox disabled support for DHE ciphersuites.
Notes
| Author | Note |
|---|---|
| mdeslaur | nss doesn't reuse DHE keys, but does reuse ECDHE keys, which is not problematic for the moment. See page 13 of https://raccoon-attack.com/RacoonAttack.pdf and the nss release notes for 3.17: https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.17_release_notes Since 3.17 includes a way to disable ECDHE key reuse with the SSL_REUSE_SERVER_ECDHE_KEY option, marking this CVE as fixed in fixed in 3.17. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
nss Launchpad, Ubuntu, Debian |
groovy |
Ignored
(end of life)
|
| bionic |
Not vulnerable
(2:3.35-2ubuntu2.14)
|
|
| focal |
Not vulnerable
(2:3.49.1-1ubuntu1.7)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Not vulnerable
(2:3.68-1ubuntu1.1)
|
|
| jammy |
Not vulnerable
(2:3.68.2-0ubuntu1)
|
|
| trusty |
Not vulnerable
|
|
| upstream |
Released
(3.17)
|
|
| xenial |
Not vulnerable
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |