Vulnerability Name:

CVE-2015-5961 (CCN-105386)

Assigned:2015-08-06
Published:2015-08-06
Updated:2015-08-21
Summary:The COPPA error page in the Accounts setup dialog in Mozilla Firefox OS before 2.2 embeds content from an external web server URL into the System process, which allows man-in-the-middle attackers to bypass intended access restrictions by spoofing that server.
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:N/I:L/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:N/I:L/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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:3.3 Low (CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-264
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2015-5961

Source: CONFIRM
Type: UNKNOWN
http://www.mozilla.org/security/announce/2015/mfsa2015-75.html

Source: BID
Type: UNKNOWN
76255

Source: CCN
Type: BID-76255
Mozilla Firefox OS Same Origin Policy Security Bypass Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1123433

Source: XF
Type: UNKNOWN
firefoxos-setup-dialog-sec-bypass(105386)

Source: CCN
Type: Mozilla Foundation Security Advisory 2015-75
COPPA error screen in FxAccounts signup allows loading arbitrary web content into B2G root process

Vulnerable Configuration:Configuration 1:
  • cpe:/o:mozilla:firefox_os:*:*:*:*:*:*:*:* (Version <= 2.1.0)

  • * Denotes that component is vulnerable
    BACK
    mozilla firefox os *