CVE-2018-7753

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.
Overview
  • CVE ID
  • CVE-2018-7753
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-03-07T23:29:00
  • Last Modified Date
  • 2018-03-29T13:50:45
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:bleach:2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:mozilla:bleach:2.1.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:mozilla:bleach:2.1.2:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/mozilla/bleach/releases/tag/v2.1.3 Third Party Advisory
https://github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35ef Patch Third Party Advisory
https://bugs.debian.org/892252 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7753
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7753
History
Created Old Value New Value Data Type Notes
2022-05-10 18:46:37 Added to TrackCVE
2022-12-03 03:06:26 2018-03-07T23:29Z 2018-03-07T23:29:00 CVE Published Date updated
2022-12-03 03:06:26 2018-03-29T13:50:45 CVE Modified Date updated
2022-12-03 03:06:26 Analyzed Vulnerability Status updated