National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-5178 Detail

Current Description

A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.

Source:  MITRE
Description Last Modified:  06/11/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.1 HIGH
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.2


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/104138 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040898 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:1414 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1415 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1725 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1726 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1443891 Issue Tracking Permissions Required Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html Third Party Advisory
https://security.gentoo.org/glsa/201810-01
https://usn.ubuntu.com/3660-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4199 Third Party Advisory
https://www.debian.org/security/2018/dsa-4209 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-12/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-13/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-5178
NVD Published Date:
06/11/2018
NVD Last Modified:
10/20/2018