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%
Issue Overview:
A use-after-free flaw was found in the way NSS handled DHE (DiffieHellman 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)
Affected Packages:
nspr, nss-util, nss, nss-softokn
Issue Correction:
Run yum update nspr to update your system.
Run yum update nss-util to update your system.
Run yum update nss to update your system.
Run yum update nss-softokn to update your system.
New Packages:
i686:
nspr-devel-4.11.0-1.37.amzn1.i686
nspr-4.11.0-1.37.amzn1.i686
nspr-debuginfo-4.11.0-1.37.amzn1.i686
nss-util-devel-3.21.0-2.2.50.amzn1.i686
nss-util-debuginfo-3.21.0-2.2.50.amzn1.i686
nss-util-3.21.0-2.2.50.amzn1.i686
nss-softokn-debuginfo-3.16.2.3-14.2.38.amzn1.i686
nss-softokn-devel-3.16.2.3-14.2.38.amzn1.i686
nss-softokn-3.16.2.3-14.2.38.amzn1.i686
nss-softokn-freebl-devel-3.16.2.3-14.2.38.amzn1.i686
nss-softokn-freebl-3.16.2.3-14.2.38.amzn1.i686
nss-pkcs11-devel-3.21.0-9.76.amzn1.i686
nss-tools-3.21.0-9.76.amzn1.i686
nss-3.21.0-9.76.amzn1.i686
nss-debuginfo-3.21.0-9.76.amzn1.i686
nss-sysinit-3.21.0-9.76.amzn1.i686
nss-devel-3.21.0-9.76.amzn1.i686
src:
nspr-4.11.0-1.37.amzn1.src
nss-util-3.21.0-2.2.50.amzn1.src
nss-softokn-3.16.2.3-14.2.38.amzn1.src
nss-3.21.0-9.76.amzn1.src
x86_64:
nspr-debuginfo-4.11.0-1.37.amzn1.x86_64
nspr-4.11.0-1.37.amzn1.x86_64
nspr-devel-4.11.0-1.37.amzn1.x86_64
nss-util-debuginfo-3.21.0-2.2.50.amzn1.x86_64
nss-util-3.21.0-2.2.50.amzn1.x86_64
nss-util-devel-3.21.0-2.2.50.amzn1.x86_64
nss-softokn-freebl-3.16.2.3-14.2.38.amzn1.x86_64
nss-softokn-3.16.2.3-14.2.38.amzn1.x86_64
nss-softokn-debuginfo-3.16.2.3-14.2.38.amzn1.x86_64
nss-softokn-freebl-devel-3.16.2.3-14.2.38.amzn1.x86_64
nss-softokn-devel-3.16.2.3-14.2.38.amzn1.x86_64
nss-3.21.0-9.76.amzn1.x86_64
nss-pkcs11-devel-3.21.0-9.76.amzn1.x86_64
nss-sysinit-3.21.0-9.76.amzn1.x86_64
nss-tools-3.21.0-9.76.amzn1.x86_64
nss-debuginfo-3.21.0-9.76.amzn1.x86_64
nss-devel-3.21.0-9.76.amzn1.x86_64
Red Hat: CVE-2016-1978, CVE-2016-1979
Mitre: CVE-2016-1978, CVE-2016-1979
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%