Vulnerability Details : CVE-2016-2830
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 preserve the network connection used for favicon resource retrieval after the associated browser window is closed, which makes it easier for remote web servers to track users by observing network traffic from multiple IP addresses.
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2016-2830
Probability of exploitation activity in the next 30 days: 0.50%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 74 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-2830
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST |
|
4.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2016-2830
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-2830
-
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
[security-announce] openSUSE-SU-2016:2026-1: important: Security update
-
http://www.securityfocus.com/bid/92261
Mozilla Firefox Multiple Security Vulnerabilities
-
http://rhn.redhat.com/errata/RHSA-2016-1551.html
RHSA-2016:1551 - Security Advisory - Red Hat Customer Portal
-
https://security.gentoo.org/glsa/201701-15
Mozilla Firefox, Thunderbird: Multiple vulnerabilities (GLSA 201701-15) — Gentoo security
-
http://www.debian.org/security/2016/dsa-3640
Debian -- Security Information -- DSA-3640-1 firefox-esr
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http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
[security-announce] openSUSE-SU-2016:1964-1: important: Security update
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http://www.ubuntu.com/usn/USN-3044-1
USN-3044-1: Firefox vulnerabilities | Ubuntu security notices
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https://bugzilla.mozilla.org/show_bug.cgi?id=1255270
Bugzilla.mozilla.org is offlineIssue Tracking;Permissions Required
-
http://www.mozilla.org/security/announce/2016/mfsa2016-63.html
Favicon network connection can persist when page is closed — MozillaVendor Advisory
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http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Oracle Linux Bulletin - July 2016
-
http://www.securitytracker.com/id/1036508
Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, Spoof Content, Modify Files, and Obtain Potentially Sensitive Information - SecurityTracker
Products affected by CVE-2016-2830
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:45.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:45.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:45.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:45.3.0:*:*:*:*:*:*:*