CVE-2018-12384

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9
Description
When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.
Overview
  • CVE ID
  • CVE-2018-12384
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-04-29T15:29:00
  • Last Modified Date
  • 2020-08-24T17:37:01
Weakness Enumerations
CWE URL
CWE-335 http://cwe.mitre.org/data/definitions/335.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* 1 OR 3.39
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384 Issue Tracking Vendor Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-12384
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12384
History
Created Old Value New Value Data Type Notes
2022-05-10 16:29:21 Added to TrackCVE
2022-12-03 20:11:46 2019-04-29T15:29Z 2019-04-29T15:29:00 CVE Published Date updated
2022-12-03 20:11:46 2020-08-24T17:37:01 CVE Modified Date updated
2022-12-03 20:11:46 Modified Vulnerability Status updated