Vulnerability Name:

CCN-158476

Published:2019-03-21
Updated:2019-03-21
Summary:Mozilla Network Security Services (NSS), as used in Mozilla Firefox, is vulnerable to a denial of service, caused by a NULL pointer dereference when parsing Netscape Certificate Sequences in CERT_DecodeCertPackage(). A remote attacker could exploit this vulnerability to cause the server to crash.
CVSS v3 Severity:7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: Google Security Research Issue 1798
nss: CERT_DecodeCertPackage() crash with Netscape Certificate Sequences

Source: CCN
Type: Mozilla Web site
NSS NSS 3.41 release notes

Source: XF
Type: UNKNOWN
mozilla-nss-netscape-cert-dos(158476)

Source: CCN
Type: Packet Storm Security [03-21-2019]
NSS Netscape Certificate Sequences CERT_DecodeCertPackage() Crash

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:mozilla:network_security_services:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    mozilla network security services *