Vulnerability Name:

CVE-2015-7327 (CCN-106657)

Assigned:2015-09-22
Published:2015-09-22
Updated:2016-12-22
Summary:Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensitive information, via crafted JavaScript code that makes performance.now calls.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
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): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MISC
Type: Exploit
http://arxiv.org/abs/1502.07373

Source: MITRE
Type: CNA
CVE-2015-7327

Source: CONFIRM
Type: Vendor Advisory
http://www.mozilla.org/security/announce/2015/mfsa2015-114.html

Source: SECTRACK
Type: UNKNOWN
1033640

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.mozilla.org/show_bug.cgi?id=1153672

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.mozilla.org/show_bug.cgi?id=1167489

Source: XF
Type: UNKNOWN
firefox-cve20157327-info-disc(106657)

Source: CCN
Type: Mozilla Foundation Security Advisory 2015-114
Information disclosure via the High Resolution Time API

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:firefox:*:*:*:*:*:*:*:* (Version <= 40.0.3)

    • Configuration CCN 1:
  • cpe:/a:mozilla:firefox:40.0.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20157327000
    V
    		CVE-2015-7327 on Ubuntu 12.04 LTS (precise) - medium.
    2015-09-24
    oval:com.ubuntu.trusty:def:20157327000
    V
    		CVE-2015-7327 on Ubuntu 14.04 LTS (trusty) - medium.
    2015-09-24
    BACK
    mozilla firefox *
    mozilla firefox 40.0.3