National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-5293 Detail

Current Description

When the Mozilla Updater is run, if the Updater's log file in the working directory points to a hardlink, data can be appended to an arbitrary local file. This vulnerability requires local system access. Note: this issue only affects Windows operating systems. This vulnerability affects Firefox ESR < 45.5 and Firefox < 50.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 1.8


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

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/94336 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037298 Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1246945 Issue Tracking
https://security.gentoo.org/glsa/201701-15 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2016-89/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-90/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
50.0
 cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
45.5.0
Running on/with
 cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-5293
NVD Published Date:
06/11/2018
NVD Last Modified:
07/30/2018