Oracle Linux: CVE-2020-12400: ELSA-2021-0538: nss security and bug fix update (MODERATE) (Multiple Advisories)
Description
When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80. A side-channel flaw was found in NSS, in the way P-384 and P-521 curves are used in the generation of EDSA signatures, leaking partial information about the ECDSA nonce. Given a small number of ECDSA signatures, this information can be used to steal the private key. The highest threat from this vulnerability is to data 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
- oracle-linux-upgrade-ython
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