nspr-4.25.0-2.el8, nss-3.53.1-11.0.1.el8

Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications.

Netscape Portable Runtime (NSPR) provides platform independence for non-GUI operating system facilities.

The following packages have been upgraded to a later upstream version: nss (3.53.1), nspr (4.25.0).

Security Fix(es):

* nss: UAF in sftk_FreeSession due to improper refcounting (CVE-2019-11756)

* nss: Check length of inputs for cryptographic primitives (CVE-2019-17006)

* nss: Side channel vulnerabilities during RSA key generation (CVE-2020-12402)

* nss: TLS 1.3 HelloRetryRequest downgrade request sets client into invalid state (CVE-2019-17023)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

* Install of update of nss.x86_64 adds i686 into transaction

* NSS does not set downgrade sentinel in ServerHello.random for TLS 1.0 and TLS 1.1

* TLS Keying Material Exporter is unsupported by command line tools

* TLS_AES_256_GCM_SHA384 is not marked as FIPS compatible

* Make TLS 1.3 work in FIPS mode

* NSS rejects records with large padding with SHA384 HMAC

* NSS missing IKEv1 Quick Mode KDF

* Name Constraints validation: CN treated as DNS name even when syntactically invalid as DNS name

* FIPS needs nss to restrict valid dh primes to those primes that are approved.

* nss needs to comply to the new SP800-56A rev 3 requirements

Enhancement(s):

* [RFE] nss should use AES for storage of keys

CVE-2019-11756
Improper refcounting of soft token session objects could cause a use-after-free and crash (likely limited to a denial of service). This vulnerability affects Firefox < 71.
CVE-2019-17006
** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
CVE-2019-17023
After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored. This vulnerability affects Firefox < 72.
CVE-2020-12402
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.