RHSA-2023:1368 - Security Advisory

Topic

An update for nss is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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

Security Fix(es):

• nss: Arbitrary memory write via PKCS 12 (CVE-2023-0767)

Bug Fix(es):

• In FIPS mode, nss should reject RSASSA-PSS salt lengths larger than the output size of the hash function used, or provide an indicator. (BZ#2177434)
• Need to update FIPS review comments into NSS RHEL-9. (BZ#2177875)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing this update, applications using NSS (for example, Firefox) must be restarted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.2 x86_64
• Red Hat Enterprise Linux Server - AUS 9.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat Enterprise Linux for ARM 64 9 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
• Red Hat Enterprise Linux Server for ARM 64 - 4 years of updates 9.2 aarch64
• Red Hat Enterprise Linux Server for IBM z Systems - 4 years of updates 9.2 s390x

Fixes

• BZ - 2170377 - CVE-2023-0767 nss: Arbitrary memory write via PKCS 12
• BZ - 2177434 - In FIPS mode, nss should reject RSASSA-PSS salt lengths larger than the output size of the hash function used, or provide an indicator [rhel-9.1.0.z]
• BZ - 2177875 - Need to update FIPS review comments into NSS RHEL-9 [rhel-9.1.0.z]

CVEs

• CVE-2023-0767

References

• https://access.redhat.com/security/updates/classification/#important