7.5 High
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
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.077 Low
EPSS
Percentile
94.2%
CentOS Errata and Security Advisory CESA-2016:0685
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-util packages provide utilities for use with the Network Security Services (NSS) libraries. Netscape Portable Runtime (NSPR) provides platform independence for non-GUI operating system facilities.
The following packages have been upgraded to a newer upstream version: nss (3.21.0), nss-util (3.21.0), nspr (4.11.0). (BZ#1310581, BZ#1303021, BZ#1299872)
Security Fix(es):
A use-after-free flaw was found in the way NSS handled DHE (DiffieβHellman key exchange) and ECDHE (Elliptic Curve Diffie-Hellman key exchange) handshake messages. A remote attacker could send a specially crafted handshake message that, when parsed by an application linked against NSS, would cause that application to crash or, under certain special conditions, execute arbitrary code using the permissions of the user running the application. (CVE-2016-1978)
A use-after-free flaw was found in the way NSS processed certain DER (Distinguished Encoding Rules) encoded cryptographic keys. An attacker could use this flaw to create a specially crafted DER encoded certificate which, when parsed by an application compiled against the NSS library, could cause that application to crash, or execute arbitrary code using the permissions of the user running the application. (CVE-2016-1979)
Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Eric Rescorla as the original reporter of CVE-2016-1978; and Tim Taubert as the original reporter of CVE-2016-1979.
Bug Fix(es):
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2016-April/084010.html
https://lists.centos.org/pipermail/centos-announce/2016-April/084011.html
https://lists.centos.org/pipermail/centos-announce/2016-April/084012.html
https://lists.centos.org/pipermail/centos-announce/2016-April/084013.html
Affected packages:
nspr
nspr-devel
nss
nss-devel
nss-pkcs11-devel
nss-softokn
nss-softokn-devel
nss-softokn-freebl
nss-softokn-freebl-devel
nss-sysinit
nss-tools
nss-util
nss-util-devel
Upstream details at:
https://access.redhat.com/errata/RHSA-2016:0685
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 7 | i686 | nspr | <Β 4.11.0-1.el7_2 | nspr-4.11.0-1.el7_2.i686.rpm |
CentOS | 7 | x86_64 | nspr | <Β 4.11.0-1.el7_2 | nspr-4.11.0-1.el7_2.x86_64.rpm |
CentOS | 7 | i686 | nspr-devel | <Β 4.11.0-1.el7_2 | nspr-devel-4.11.0-1.el7_2.i686.rpm |
CentOS | 7 | x86_64 | nspr-devel | <Β 4.11.0-1.el7_2 | nspr-devel-4.11.0-1.el7_2.x86_64.rpm |
CentOS | 7 | i686 | nss-util | <Β 3.21.0-2.2.el7_2 | nss-util-3.21.0-2.2.el7_2.i686.rpm |
CentOS | 7 | x86_64 | nss-util | <Β 3.21.0-2.2.el7_2 | nss-util-3.21.0-2.2.el7_2.x86_64.rpm |
CentOS | 7 | i686 | nss-util-devel | <Β 3.21.0-2.2.el7_2 | nss-util-devel-3.21.0-2.2.el7_2.i686.rpm |
CentOS | 7 | x86_64 | nss-util-devel | <Β 3.21.0-2.2.el7_2 | nss-util-devel-3.21.0-2.2.el7_2.x86_64.rpm |
CentOS | 7 | i686 | nss-softokn | <Β 3.16.2.3-14.2.el7_2 | nss-softokn-3.16.2.3-14.2.el7_2.i686.rpm |
CentOS | 7 | x86_64 | nss-softokn | <Β 3.16.2.3-14.2.el7_2 | nss-softokn-3.16.2.3-14.2.el7_2.x86_64.rpm |
7.5 High
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
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.077 Low
EPSS
Percentile
94.2%