RedHat: RHSA-2021-0758:01 Moderate: nss-softokn security update
Summary
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: 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
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-2020-12403 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Enterprise Linux Server AUS (v. 7.4):
Source:
nss-softokn-3.28.3-10.el7_4.src.rpm
x86_64:
nss-softokn-3.28.3-10.el7_4.i686.rpm
nss-softokn-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-debuginfo-3.28.3-10.el7_4.i686.rpm
nss-softokn-debuginfo-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-devel-3.28.3-10.el7_4.i686.rpm
nss-softokn-devel-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-freebl-3.28.3-10.el7_4.i686.rpm
nss-softokn-freebl-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-freebl-devel-3.28.3-10.el7_4.i686.rpm
nss-softokn-freebl-devel-3.28.3-10.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source:
nss-softokn-3.28.3-10.el7_4.src.rpm
ppc64le:
nss-softokn-3.28.3-10.el7_4.ppc64le.rpm
nss-softokn-debuginfo-3.28.3-10.el7_4.ppc64le.rpm
nss-softokn-devel-3.28.3-10.el7_4.ppc64le.rpm
nss-softokn-freebl-3.28.3-10.el7_4.ppc64le.rpm
nss-softokn-freebl-devel-3.28.3-10.el7_4.ppc64le.rpm
x86_64:
nss-softokn-3.28.3-10.el7_4.i686.rpm
nss-softokn-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-debuginfo-3.28.3-10.el7_4.i686.rpm
nss-softokn-debuginfo-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-devel-3.28.3-10.el7_4.i686.rpm
nss-softokn-devel-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-freebl-3.28.3-10.el7_4.i686.rpm
nss-softokn-freebl-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-freebl-devel-3.28.3-10.el7_4.i686.rpm
nss-softokn-freebl-devel-3.28.3-10.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server TUS (v. 7.4):
Source:
nss-softokn-3.28.3-10.el7_4.src.rpm
x86_64:
nss-softokn-3.28.3-10.el7_4.i686.rpm
nss-softokn-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-debuginfo-3.28.3-10.el7_4.i686.rpm
nss-softokn-debuginfo-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-devel-3.28.3-10.el7_4.i686.rpm
nss-softokn-devel-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-freebl-3.28.3-10.el7_4.i686.rpm
nss-softokn-freebl-3.28.3-10.el7_4.x86_64.rpm
nss-softokn-freebl-devel-3.28.3-10.el7_4.i686.rpm
nss-softokn-freebl-devel-3.28.3-10.el7_4.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-softokn is now available for Red Hat Enterprise Linux 7.4Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.4 Update Services for SAPSolutions.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 Server AUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server E4S (v. 7.4) - ppc64le, x86_64
Red Hat Enterprise Linux Server TUS (v. 7.4) - x86_64
Bugs Fixed
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