Heap-based buffer overflow in Mozilla NSS - CVE-2016-1950
Published: March 13, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32316
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-1950
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in 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,. A remote attacker can use crafted ASN.1 data in an X.509 certificate. to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Mozilla NSS
Amazon Linux AMI
nss (Alpine package)
Amazon Linux AMI
nss (Alpine package)
How to mitigate CVE-2016-1950
Update to version 3.19.2.3.
Mozilla NSS - update to 3.19.2.3
nss (Alpine package) - update to 3.19.2.3-r0
nss (Alpine package) - update to 3.19.2.3-r0
External References
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html
- http://rhn.redhat.com/errata/RHSA-2016-0495.html
- http://www.debian.org/security/2016/dsa-3510
- http://www.debian.org/security/2016/dsa-3520
- http://www.debian.org/security/2016/dsa-3688
- http://www.mozilla.org/security/announce/2016/mfsa2016-35.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/84223
- http://www.securitytracker.com/id/1035215
- http://www.ubuntu.com/usn/USN-2917-1
- http://www.ubuntu.com/usn/USN-2917-2
- http://www.ubuntu.com/usn/USN-2917-3
- http://www.ubuntu.com/usn/USN-2924-1
- http://www.ubuntu.com/usn/USN-2934-1
- https://bto.bluecoat.com/security-advisory/sa119
- https://bugzilla.mozilla.org/show_bug.cgi?id=1245528
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.2.3_release_notes
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.1_release_notes
- https://security.gentoo.org/glsa/201605-06
- https://support.apple.com/HT206166
- https://support.apple.com/HT206167
- https://support.apple.com/HT206168
- https://support.apple.com/HT206169