RedHat: RHSA-2021-4907:04 Critical: nss 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.
Security Fix(es):
* nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and
RSA-PSS) (CVE-2021-43527)
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-2021-43527 https://access.redhat.com/security/updates/classification/#critical https://access.redhat.com/security/vulnerabilities/RHSB-2021-008
Package List
Red Hat Enterprise Linux Server (v. 6 ELS):
Source:
nss-3.44.0-12.el6_10.src.rpm
i386:
nss-3.44.0-12.el6_10.i686.rpm
nss-debuginfo-3.44.0-12.el6_10.i686.rpm
nss-devel-3.44.0-12.el6_10.i686.rpm
nss-sysinit-3.44.0-12.el6_10.i686.rpm
nss-tools-3.44.0-12.el6_10.i686.rpm
s390x:
nss-3.44.0-12.el6_10.s390.rpm
nss-3.44.0-12.el6_10.s390x.rpm
nss-debuginfo-3.44.0-12.el6_10.s390.rpm
nss-debuginfo-3.44.0-12.el6_10.s390x.rpm
nss-devel-3.44.0-12.el6_10.s390.rpm
nss-devel-3.44.0-12.el6_10.s390x.rpm
nss-sysinit-3.44.0-12.el6_10.s390x.rpm
nss-tools-3.44.0-12.el6_10.s390x.rpm
x86_64:
nss-3.44.0-12.el6_10.i686.rpm
nss-3.44.0-12.el6_10.x86_64.rpm
nss-debuginfo-3.44.0-12.el6_10.i686.rpm
nss-debuginfo-3.44.0-12.el6_10.x86_64.rpm
nss-devel-3.44.0-12.el6_10.i686.rpm
nss-devel-3.44.0-12.el6_10.x86_64.rpm
nss-sysinit-3.44.0-12.el6_10.x86_64.rpm
nss-tools-3.44.0-12.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6 ELS):
i386:
nss-debuginfo-3.44.0-12.el6_10.i686.rpm
nss-pkcs11-devel-3.44.0-12.el6_10.i686.rpm
s390x:
nss-debuginfo-3.44.0-12.el6_10.s390.rpm
nss-debuginfo-3.44.0-12.el6_10.s390x.rpm
nss-pkcs11-devel-3.44.0-12.el6_10.s390.rpm
nss-pkcs11-devel-3.44.0-12.el6_10.s390x.rpm
x86_64:
nss-debuginfo-3.44.0-12.el6_10.i686.rpm
nss-debuginfo-3.44.0-12.el6_10.x86_64.rpm
nss-pkcs11-devel-3.44.0-12.el6_10.i686.rpm
nss-pkcs11-devel-3.44.0-12.el6_10.x86_64.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 is now available for Red Hat Enterprise Linux 6 ExtendedLifecycle Support.Red Hat Product Security has rated this update as having a security impactof Critical. 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 Server (v. 6 ELS) - i386, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64
Bugs Fixed
2024370 - CVE-2021-43527 nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS)