Synopsis
Important: nss-softokn security update
Type/Severity
Security Advisory: Important
Topic
An update for nss-softokn is now available for Red Hat Enterprise Linux 7.6 Extended Update Support.
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
The nss-softokn package provides the Network Security Services Softoken Cryptographic Module.
Security Fix(es):
- nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate (CVE-2019-11745)
- ROHNP: Key Extraction Side Channel in Multiple Crypto Libraries (CVE-2018-0495)
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
Affected Products
-
Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.6 x86_64
-
Red Hat Enterprise Linux Server - AUS 7.6 x86_64
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Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x
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Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64
-
Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64
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Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
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Red Hat Enterprise Linux Server - TUS 7.6 x86_64
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Red Hat Enterprise Linux for ARM 64 7 aarch64
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Red Hat Enterprise Linux for Power 9 7 ppc64le
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Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.6 ppc64le
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Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64
-
Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x
Fixes
- BZ - 1591163 - CVE-2018-0495 ROHNP: Key Extraction Side Channel in Multiple Crypto Libraries
- BZ - 1774831 - CVE-2019-11745 nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate
CVEs
References