CVE Vulnerabilities

CVE-2017-7502

NULL Pointer Dereference

Published: May 30, 2017 | Modified: Feb 12, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 IMPORTANT
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM

Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Network_security_services Mozilla 3.24.0 (including) 3.24.0 (including)
Network_security_services Mozilla 3.25.0 (including) 3.25.0 (including)
Network_security_services Mozilla 3.25.1 (including) 3.25.1 (including)
Network_security_services Mozilla 3.26.0 (including) 3.26.0 (including)
Network_security_services Mozilla 3.26.2 (including) 3.26.2 (including)
Network_security_services Mozilla 3.27.0 (including) 3.27.0 (including)
Network_security_services Mozilla 3.27.1 (including) 3.27.1 (including)
Network_security_services Mozilla 3.27.2 (including) 3.27.2 (including)
Network_security_services Mozilla 3.28.0 (including) 3.28.0 (including)
Network_security_services Mozilla 3.28.1 (including) 3.28.1 (including)
Network_security_services Mozilla 3.28.2 (including) 3.28.2 (including)
Network_security_services Mozilla 3.28.3 (including) 3.28.3 (including)
Network_security_services Mozilla 3.29.0 (including) 3.29.0 (including)
Network_security_services Mozilla 3.29.1 (including) 3.29.1 (including)
Network_security_services Mozilla 3.29.2 (including) 3.29.2 (including)
Network_security_services Mozilla 3.29.3 (including) 3.29.3 (including)
Network_security_services Mozilla 3.30.0 (including) 3.30.0 (including)
Network_security_services Mozilla 3.30.1 (including) 3.30.1 (including)
Red Hat Container Development Kit 3.0 RedHat *
Red Hat Enterprise Linux 6 RedHat nss-0:3.28.4-3.el6_9 *
Red Hat Enterprise Linux 7 RedHat nss-0:3.28.4-1.2.el7_3 *
Nss Ubuntu devel *
Nss Ubuntu trusty *
Nss Ubuntu vivid/stable-phone-overlay *
Nss Ubuntu xenial *
Nss Ubuntu yakkety *
Nss Ubuntu zesty *

Potential Mitigations

References