Vulnerability Name:

CVE-2018-5118 (CCN-138164)

Assigned:2018-01-23
Published:2018-01-23
Updated:2018-06-25
Summary:The screenshot images displayed in the Activity Stream page displayed when a new tab is opened is created from the meta tags of websites. An issue was discovered where the page could attempt to create these images through "file:" URLs from the local file system. This loading is blocked by the sandbox but could expose local data if combined with another attack that escapes sandbox protections. This vulnerability affects Firefox < 58.
CVSS v3 Severity:5.3 Medium (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 (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
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:5.0 Medium (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
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-5118

Source: BID
Type: Third Party Advisory, VDB Entry
102786

Source: CCN
Type: BID-102786
Mozilla Firefox MFSA2018-02 Multiple Security Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040270

Source: CONFIRM
Type: Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1420049

Source: XF
Type: UNKNOWN
firefox-cve20185118-sec-bypass(138164)

Source: UBUNTU
Type: Third Party Advisory
USN-3544-1

Source: CCN
Type: Mozilla Foundation Security Advisory 2018-02
Security vulnerabilities fixed in Firefox 58

Source: CONFIRM
Type: Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-02/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:firefox:*:*:*:*:*:*:*:* (Version <= 57.0.4)

    • Configuration 2:
  • cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20185118
    V
    		CVE-2018-5118
    2022-06-30
    oval:org.opensuse.security:def:111899
    P
    		MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105476
    P
    		MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2021-10-01
    oval:com.ubuntu.artful:def:20185118000
    V
    		CVE-2018-5118 on Ubuntu 17.10 (artful) - medium.
    2018-06-11
    oval:com.ubuntu.bionic:def:20185118000
    V
    		CVE-2018-5118 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-06-11
    oval:com.ubuntu.bionic:def:201851180000000
    V
    		CVE-2018-5118 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-06-11
    oval:com.ubuntu.trusty:def:20185118000
    V
    		CVE-2018-5118 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-06-11
    oval:com.ubuntu.xenial:def:201851180000000
    V
    		CVE-2018-5118 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-06-11
    oval:com.ubuntu.xenial:def:20185118000
    V
    		CVE-2018-5118 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-06-11
    BACK
    mozilla firefox *
    canonical ubuntu linux 14.04
    canonical ubuntu linux 16.04
    canonical ubuntu linux 17.10