CentOS ProjectCESA-2021:4904nss security update
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
81.4%
CentOS Errata and Security Advisory CESA-2021:4904
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.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2021-December/086215.html
Affected packages:
nss
nss-devel
nss-pkcs11-devel
nss-sysinit
nss-tools
Upstream details at:
https://access.redhat.com/errata/RHSA-2021:4904
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| CentOS | 7 | i686 | nss | < 3.67.0-4.el7_9 | nss-3.67.0-4.el7_9.i686.rpm |
| CentOS | 7 | x86_64 | nss | < 3.67.0-4.el7_9 | nss-3.67.0-4.el7_9.x86_64.rpm |
| CentOS | 7 | i686 | nss-devel | < 3.67.0-4.el7_9 | nss-devel-3.67.0-4.el7_9.i686.rpm |
| CentOS | 7 | x86_64 | nss-devel | < 3.67.0-4.el7_9 | nss-devel-3.67.0-4.el7_9.x86_64.rpm |
| CentOS | 7 | i686 | nss-pkcs11-devel | < 3.67.0-4.el7_9 | nss-pkcs11-devel-3.67.0-4.el7_9.i686.rpm |
| CentOS | 7 | x86_64 | nss-pkcs11-devel | < 3.67.0-4.el7_9 | nss-pkcs11-devel-3.67.0-4.el7_9.x86_64.rpm |
| CentOS | 7 | x86_64 | nss-sysinit | < 3.67.0-4.el7_9 | nss-sysinit-3.67.0-4.el7_9.x86_64.rpm |
| CentOS | 7 | x86_64 | nss-tools | < 3.67.0-4.el7_9 | nss-tools-3.67.0-4.el7_9.x86_64.rpm |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
81.4%