Rapid7 Vulnerability & Exploit Database

Oracle Linux: CVE-2020-12402: ELSA-2020-4076: nss and nspr security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

Oracle Linux: CVE-2020-12402: ELSA-2020-4076: nss and nspr security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:H/Au:S/C:C/I:N/A:N)
Published
06/02/2020
Created
08/07/2020
Added
10/16/2024
Modified
10/17/2024

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. A flaw was found in NSS, where it is vulnerable to RSA key generation cache timing side-channel attacks. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. The highest threat to this flaw is to confidentiality.

Solution(s)

  • oracle-linux-upgrade-nspr
  • oracle-linux-upgrade-nspr-devel
  • oracle-linux-upgrade-nss
  • oracle-linux-upgrade-nss-devel
  • oracle-linux-upgrade-nss-pkcs11-devel
  • oracle-linux-upgrade-nss-softokn
  • oracle-linux-upgrade-nss-softokn-devel
  • oracle-linux-upgrade-nss-softokn-freebl
  • oracle-linux-upgrade-nss-softokn-freebl-devel
  • oracle-linux-upgrade-nss-sysinit
  • oracle-linux-upgrade-nss-tools
  • oracle-linux-upgrade-nss-util
  • oracle-linux-upgrade-nss-util-devel

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;