Vulnerability Name:

CVE-2015-2720 (CCN-103217)

Assigned:2015-05-12
Published:2015-05-12
Updated:2017-01-03
Summary:The update implementation in Mozilla Firefox before 38.0 on Windows does not ensure that the pathname for updater.exe corresponds to the application directory, which might allow local users to gain privileges via a Trojan horse file.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
3.2 Low (Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.4 Medium (CCN CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-17
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2015-2720

Source: CONFIRM
Type: UNKNOWN
http://www.mozilla.org/security/announce/2015/mfsa2015-58.html

Source: CONFIRM
Type: UNKNOWN
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

Source: BID
Type: UNKNOWN
74611

Source: CCN
Type: BID-74611
Mozilla Firefox and Thunderbird MFSA 2015-48 through -58 Multiple Vulnerabilities

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.mozilla.org/show_bug.cgi?id=1127481

Source: XF
Type: UNKNOWN
mozilla-firefox-cve20152720-priv-esc(103217)

Source: CCN
Type: Mozilla Foundation Security Advisory 2015-58
Mozilla Windows updater can be run outside of application directory

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:firefox:*:*:*:*:*:*:*:* (Version <= 37.0.2)

  • Configuration CCN 1:
  • cpe:/a:mozilla:firefox:37.0:*:*:*:*:*:*:*
  • OR cpe:/a:mozilla:thunderbird:38.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20152720000
    V
    CVE-2015-2720 on Ubuntu 12.04 LTS (precise) - medium.
    2015-05-14
    oval:com.ubuntu.trusty:def:20152720000
    V
    CVE-2015-2720 on Ubuntu 14.04 LTS (trusty) - medium.
    2015-05-14
    BACK
    mozilla firefox *
    mozilla firefox 37.0
    mozilla thunderbird 38.0