RedHat: RHSA-2021-0876:01 Moderate: nss and nss-softokn security update
Summary
Network Security Services (NSS) is a set of libraries designed to support
the cross-platform development of security-enabled client and server
applications.
The nss-softokn package provides the Network Security Services Softoken
Cryptographic Module.
Security Fix(es):
* nss: Use-after-free in sftk_FreeSession due to improper refcounting
(CVE-2019-11756)
* nss: Check length of inputs for cryptographic primitives (CVE-2019-17006)
* nss: Handling of Netscape Certificate Sequences in
CERT_DecodeCertPackage() may crash with a NULL deref leading to DoS
(CVE-2019-17007)
* nss: CHACHA20-POLY1305 decryption with undersized tag leads to
out-of-bounds read (CVE-2020-12403)
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.
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2019-11756 https://access.redhat.com/security/cve/CVE-2019-17006 https://access.redhat.com/security/cve/CVE-2019-17007 https://access.redhat.com/security/cve/CVE-2020-12403 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source:
nss-3.36.0-9.el7_6.src.rpm
nss-softokn-3.36.0-7.el7_6.src.rpm
x86_64:
nss-3.36.0-9.el7_6.i686.rpm
nss-3.36.0-9.el7_6.x86_64.rpm
nss-debuginfo-3.36.0-9.el7_6.i686.rpm
nss-debuginfo-3.36.0-9.el7_6.x86_64.rpm
nss-softokn-3.36.0-7.el7_6.i686.rpm
nss-softokn-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.i686.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-freebl-3.36.0-7.el7_6.i686.rpm
nss-softokn-freebl-3.36.0-7.el7_6.x86_64.rpm
nss-sysinit-3.36.0-9.el7_6.x86_64.rpm
nss-tools-3.36.0-9.el7_6.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
x86_64:
nss-debuginfo-3.36.0-9.el7_6.i686.rpm
nss-debuginfo-3.36.0-9.el7_6.x86_64.rpm
nss-devel-3.36.0-9.el7_6.i686.rpm
nss-devel-3.36.0-9.el7_6.x86_64.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.i686.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.x86_64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.i686.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-devel-3.36.0-7.el7_6.i686.rpm
nss-softokn-devel-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.i686.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
nss-3.36.0-9.el7_6.src.rpm
nss-softokn-3.36.0-7.el7_6.src.rpm
ppc64:
nss-3.36.0-9.el7_6.ppc.rpm
nss-3.36.0-9.el7_6.ppc64.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc64.rpm
nss-devel-3.36.0-9.el7_6.ppc.rpm
nss-devel-3.36.0-9.el7_6.ppc64.rpm
nss-softokn-3.36.0-7.el7_6.ppc.rpm
nss-softokn-3.36.0-7.el7_6.ppc64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.ppc.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.ppc64.rpm
nss-softokn-devel-3.36.0-7.el7_6.ppc.rpm
nss-softokn-devel-3.36.0-7.el7_6.ppc64.rpm
nss-softokn-freebl-3.36.0-7.el7_6.ppc.rpm
nss-softokn-freebl-3.36.0-7.el7_6.ppc64.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.ppc.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.ppc64.rpm
nss-sysinit-3.36.0-9.el7_6.ppc64.rpm
nss-tools-3.36.0-9.el7_6.ppc64.rpm
ppc64le:
nss-3.36.0-9.el7_6.ppc64le.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc64le.rpm
nss-devel-3.36.0-9.el7_6.ppc64le.rpm
nss-softokn-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-devel-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-freebl-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.ppc64le.rpm
nss-sysinit-3.36.0-9.el7_6.ppc64le.rpm
nss-tools-3.36.0-9.el7_6.ppc64le.rpm
s390x:
nss-3.36.0-9.el7_6.s390.rpm
nss-3.36.0-9.el7_6.s390x.rpm
nss-debuginfo-3.36.0-9.el7_6.s390.rpm
nss-debuginfo-3.36.0-9.el7_6.s390x.rpm
nss-devel-3.36.0-9.el7_6.s390.rpm
nss-devel-3.36.0-9.el7_6.s390x.rpm
nss-softokn-3.36.0-7.el7_6.s390.rpm
nss-softokn-3.36.0-7.el7_6.s390x.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.s390.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.s390x.rpm
nss-softokn-devel-3.36.0-7.el7_6.s390.rpm
nss-softokn-devel-3.36.0-7.el7_6.s390x.rpm
nss-softokn-freebl-3.36.0-7.el7_6.s390.rpm
nss-softokn-freebl-3.36.0-7.el7_6.s390x.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.s390.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.s390x.rpm
nss-sysinit-3.36.0-9.el7_6.s390x.rpm
nss-tools-3.36.0-9.el7_6.s390x.rpm
x86_64:
nss-3.36.0-9.el7_6.i686.rpm
nss-3.36.0-9.el7_6.x86_64.rpm
nss-debuginfo-3.36.0-9.el7_6.i686.rpm
nss-debuginfo-3.36.0-9.el7_6.x86_64.rpm
nss-devel-3.36.0-9.el7_6.i686.rpm
nss-devel-3.36.0-9.el7_6.x86_64.rpm
nss-softokn-3.36.0-7.el7_6.i686.rpm
nss-softokn-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.i686.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-devel-3.36.0-7.el7_6.i686.rpm
nss-softokn-devel-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-freebl-3.36.0-7.el7_6.i686.rpm
nss-softokn-freebl-3.36.0-7.el7_6.x86_64.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.i686.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.x86_64.rpm
nss-sysinit-3.36.0-9.el7_6.x86_64.rpm
nss-tools-3.36.0-9.el7_6.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
nss-3.36.0-9.el7_6.src.rpm
nss-softokn-3.36.0-7.el7_6.src.rpm
aarch64:
nss-3.36.0-9.el7_6.aarch64.rpm
nss-debuginfo-3.36.0-9.el7_6.aarch64.rpm
nss-devel-3.36.0-9.el7_6.aarch64.rpm
nss-softokn-3.36.0-7.el7_6.aarch64.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.aarch64.rpm
nss-softokn-devel-3.36.0-7.el7_6.aarch64.rpm
nss-softokn-freebl-3.36.0-7.el7_6.aarch64.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.aarch64.rpm
nss-sysinit-3.36.0-9.el7_6.aarch64.rpm
nss-tools-3.36.0-9.el7_6.aarch64.rpm
ppc64le:
nss-3.36.0-9.el7_6.ppc64le.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc64le.rpm
nss-devel-3.36.0-9.el7_6.ppc64le.rpm
nss-softokn-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-devel-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-freebl-3.36.0-7.el7_6.ppc64le.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.ppc64le.rpm
nss-sysinit-3.36.0-9.el7_6.ppc64le.rpm
nss-tools-3.36.0-9.el7_6.ppc64le.rpm
s390x:
nss-3.36.0-9.el7_6.s390.rpm
nss-3.36.0-9.el7_6.s390x.rpm
nss-debuginfo-3.36.0-9.el7_6.s390.rpm
nss-debuginfo-3.36.0-9.el7_6.s390x.rpm
nss-devel-3.36.0-9.el7_6.s390.rpm
nss-devel-3.36.0-9.el7_6.s390x.rpm
nss-softokn-3.36.0-7.el7_6.s390.rpm
nss-softokn-3.36.0-7.el7_6.s390x.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.s390.rpm
nss-softokn-debuginfo-3.36.0-7.el7_6.s390x.rpm
nss-softokn-devel-3.36.0-7.el7_6.s390.rpm
nss-softokn-devel-3.36.0-7.el7_6.s390x.rpm
nss-softokn-freebl-3.36.0-7.el7_6.s390.rpm
nss-softokn-freebl-3.36.0-7.el7_6.s390x.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.s390.rpm
nss-softokn-freebl-devel-3.36.0-7.el7_6.s390x.rpm
nss-sysinit-3.36.0-9.el7_6.s390x.rpm
nss-tools-3.36.0-9.el7_6.s390x.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.6):
ppc64:
nss-debuginfo-3.36.0-9.el7_6.ppc.rpm
nss-debuginfo-3.36.0-9.el7_6.ppc64.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.ppc.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.ppc64.rpm
ppc64le:
nss-debuginfo-3.36.0-9.el7_6.ppc64le.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.ppc64le.rpm
s390x:
nss-debuginfo-3.36.0-9.el7_6.s390.rpm
nss-debuginfo-3.36.0-9.el7_6.s390x.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.s390.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.s390x.rpm
x86_64:
nss-debuginfo-3.36.0-9.el7_6.i686.rpm
nss-debuginfo-3.36.0-9.el7_6.x86_64.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.i686.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64:
nss-debuginfo-3.36.0-9.el7_6.aarch64.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.aarch64.rpm
ppc64le:
nss-debuginfo-3.36.0-9.el7_6.ppc64le.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.ppc64le.rpm
s390x:
nss-debuginfo-3.36.0-9.el7_6.s390.rpm
nss-debuginfo-3.36.0-9.el7_6.s390x.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.s390.rpm
nss-pkcs11-devel-3.36.0-9.el7_6.s390x.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for nss and nss-softokn is now available for Red Hat EnterpriseLinux 7.6 Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x
Bugs Fixed
1703979 - CVE-2019-17007 nss: Handling of Netscape Certificate Sequences in CERT_DecodeCertPackage() may crash with a NULL deref leading to DoS
1774835 - CVE-2019-11756 nss: Use-after-free in sftk_FreeSession due to improper refcounting
1775916 - CVE-2019-17006 nss: Check length of inputs for cryptographic primitives
1868931 - CVE-2020-12403 nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read