Vulnerability Name:

CVE-2018-5124 (CCN-138381)

Assigned:2018-01-29
Published:2018-01-29
Updated:2019-04-29
Summary:Unsanitized output in the browser UI leaves HTML tags in place and can result in arbitrary code execution in Firefox before version 58.0.1.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-79
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-5124

Source: XF
Type: UNKNOWN
firefox-cve20185124-code-exec(138381)

Source: CCN
Type: Mozilla Foundation Security Advisory 2018-05
Arbitrary code execution through unsanitized browser UI

Source: MISC
Type: Vendor Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2018-05/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-5124

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:firefox:*:*:*:*:*:*:*:* (Version < 58.0.1)

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201851240000000
    V
    		CVE-2018-5124 on Ubuntu 18.04 LTS (bionic) - high.
    2019-04-26
    oval:com.ubuntu.bionic:def:20185124000
    V
    		CVE-2018-5124 on Ubuntu 18.04 LTS (bionic) - high.
    2019-04-26
    oval:com.ubuntu.xenial:def:201851240000000
    V
    		CVE-2018-5124 on Ubuntu 16.04 LTS (xenial) - high.
    2019-04-26
    oval:com.ubuntu.xenial:def:20185124000
    V
    		CVE-2018-5124 on Ubuntu 16.04 LTS (xenial) - high.
    2019-04-26
    oval:com.ubuntu.artful:def:20185124000
    V
    		CVE-2018-5124 on Ubuntu 17.10 (artful) - high.
    2018-01-30
    oval:com.ubuntu.trusty:def:20185124000
    V
    		CVE-2018-5124 on Ubuntu 14.04 LTS (trusty) - high.
    2018-01-30
    BACK
    mozilla firefox *