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 |