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cve[email protected]CVE-2019-17016
HistoryJan 08, 2020 - 10:15 p.m.

CVE-2019-17016

2020-01-0822:15:12
CWE-79
web.nvd.nist.gov
199
cve-2019-17016
css sanitizer
data exfiltration
firefox esr
firefox

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

6.8

Confidence

High

EPSS

0.003

Percentile

70.1%

When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

Affected configurations

Vulners
NVD
Node
mozillafirefox_esrRange68.4
OR
mozillafirefoxRange72
VendorProductVersionCPE
mozillafirefox_esr*cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "affected",
        "version": "before 68.4"
      }
    ]
  },
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "affected",
        "version": "before 72"
      }
    ]
  }
]

References

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

6.8

Confidence

High

EPSS

0.003

Percentile

70.1%