vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-12402): NSS vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 1 | (AV:L/AC:H/Au:N/C:P/I:N/A:N) | Jul 3, 2020 | Aug 5, 2020 | Aug 18, 2025 |
Severity
1
CVSS
(AV:L/AC:H/Au:N/C:P/I:N/A:N)
Published
Jul 3, 2020
Added
Aug 5, 2020
Modified
Aug 18, 2025
Description
During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly input-dependent flow. This allowed an attacker able to perform electromagnetic-based side channel attacks to record traces leading to the recovery of the secret primes. *Note:* An unmodified Firefox browser does not generate RSA keys in normal operation and is not affected, but products built on top of it might. This vulnerability affects Firefox < 78.
Solution
ubuntu-pro-upgrade-libnss3
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