CVE-2016-1950 Memory corruption in n/a

High 8.8 Published 13 Mar 2016 Updated 5 Aug 2024

Remote attackers can execute arbitrary code via crafted ASN.1 data in X.509 certificates due to a heap-based buffer overflow in the NSS library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2016-1950?

CVE-2016-1950 is a high-severity memory corruption vulnerability in Apple Iphone Os, published on 13 Mar 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Heap-based buffer overflow in Mozilla Network Security Services (NSS) before 3.19.2.3 and 3.20.x and 3.21.x before 3.21.1, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to execute arbitrary code via crafted ASN.1 data in an X.509 certificate.

Weakness: CWE-119

Which versions are affected by CVE-2016-1950?

It affects 12 products.

Linux distribution packages (40)

`nss` Red Hat:enterprise_linux:5::client	All versions	`0:3.19.1-4.el5_11`
`nss-debuginfo` Red Hat:enterprise_linux:5::client	All versions	`0:3.19.1-4.el5_11`
`nss-tools` Red Hat:enterprise_linux:5::client	All versions	`0:3.19.1-4.el5_11`
`nss` Red Hat:enterprise_linux:5::client_workstation	All versions	`0:3.19.1-4.el5_11`
`nss-debuginfo` Red Hat:enterprise_linux:5::client_workstation	All versions	`0:3.19.1-4.el5_11`
`nss-devel` Red Hat:enterprise_linux:5::client_workstation	All versions	`0:3.19.1-4.el5_11`
`nss-pkcs11-devel` Red Hat:enterprise_linux:5::client_workstation	All versions	`0:3.19.1-4.el5_11`
`nss` Red Hat:enterprise_linux:5::server	All versions	`0:3.19.1-4.el5_11`
`nss-debuginfo` Red Hat:enterprise_linux:5::server	All versions	`0:3.19.1-4.el5_11`
`nss-devel` Red Hat:enterprise_linux:5::server	All versions	`0:3.19.1-4.el5_11`
`nss-pkcs11-devel` Red Hat:enterprise_linux:5::server	All versions	`0:3.19.1-4.el5_11`
`nss-tools` Red Hat:enterprise_linux:5::server	All versions	`0:3.19.1-4.el5_11`
`nss-util` Red Hat:enterprise_linux:6::client	All versions	`0:3.19.1-5.el6_7`
`nss-util-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:3.19.1-5.el6_7`
`nss-util-devel` Red Hat:enterprise_linux:6::client	All versions	`0:3.19.1-5.el6_7`
`nss-util` Red Hat:enterprise_linux:6::computenode	All versions	`0:3.19.1-5.el6_7`
`nss-util-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:3.19.1-5.el6_7`
`nss-util-devel` Red Hat:enterprise_linux:6::computenode	All versions	`0:3.19.1-5.el6_7`
`nss-util` Red Hat:enterprise_linux:6::server	All versions	`0:3.19.1-5.el6_7`
`nss-util-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:3.19.1-5.el6_7`
`nss-util-devel` Red Hat:enterprise_linux:6::server	All versions	`0:3.19.1-5.el6_7`
`nss-util` Red Hat:enterprise_linux:6::workstation	All versions	`0:3.19.1-5.el6_7`
`nss-util-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:3.19.1-5.el6_7`
`nss-util-devel` Red Hat:enterprise_linux:6::workstation	All versions	`0:3.19.1-5.el6_7`
`nss-util` Red Hat:enterprise_linux:7::client	All versions	`0:3.19.1-9.el7_2`
`nss-util-debuginfo` Red Hat:enterprise_linux:7::client	All versions	`0:3.19.1-9.el7_2`
`nss-util-devel` Red Hat:enterprise_linux:7::client	All versions	`0:3.19.1-9.el7_2`
`nss-util` Red Hat:enterprise_linux:7::computenode	All versions	`0:3.19.1-9.el7_2`
`nss-util-debuginfo` Red Hat:enterprise_linux:7::computenode	All versions	`0:3.19.1-9.el7_2`
`nss-util-devel` Red Hat:enterprise_linux:7::computenode	All versions	`0:3.19.1-9.el7_2`
`nss-util` Red Hat:enterprise_linux:7::server	All versions	`0:3.19.1-9.el7_2`
`nss-util-debuginfo` Red Hat:enterprise_linux:7::server	All versions	`0:3.19.1-9.el7_2`
`nss-util-devel` Red Hat:enterprise_linux:7::server	All versions	`0:3.19.1-9.el7_2`
`nss-util` Red Hat:enterprise_linux:7::workstation	All versions	`0:3.19.1-9.el7_2`
`nss-util-debuginfo` Red Hat:enterprise_linux:7::workstation	All versions	`0:3.19.1-9.el7_2`
`nss-util-devel` Red Hat:enterprise_linux:7::workstation	All versions	`0:3.19.1-9.el7_2`
`nss-util` Red Hat:rhel_aus:6.4::server	All versions	`0:3.14.3-8.el6_4`
`nss-util-debuginfo` Red Hat:rhel_aus:6.4::server	All versions	`0:3.14.3-8.el6_4`
`nss-util-devel` Red Hat:rhel_aus:6.4::server	All versions	`0:3.14.3-8.el6_4`
`nss-util` Red Hat:rhel_aus:6.5::server	All versions	`0:3.16.1-4.el6_5`

Products include Apple Iphone Os, Apple Mac Os X, Apple Tvos, Apple Watchos, Mozilla Firefox, Mozilla Network Security Services and 6 more.

How do I fix CVE-2016-1950?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-1950 being exploited?

There is no known exploitation of CVE-2016-1950 in the wild and no public exploit code.

All Apple Iphone Os vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-1950, GHSA-8cv9-944x-284m, MGASA-2016-0114, RHSA-2016:0370, RHSA-2016:0371, RHSA-2016:0495 and 2 more.