CVE-2018-16868

CVSS V2 Low 3.3 CVSS V3 Medium 5.6
Description
A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
Overview
  • CVE ID
  • CVE-2018-16868
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-12-03T14:29:00
  • Last Modified Date
  • 2022-11-30T21:20:28
Weakness Enumerations
CWE URL
CWE-203 http://cwe.mitre.org/data/definitions/203.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* 1 OR 3.6.4
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:P/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.3
  • Severity
  • LOW
  • Exploitability Score
  • 3.4
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
  • Attack Vector
  • PHYSICAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.6
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.4
  • Impact Score
  • 4.7
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868 Issue Tracking Third Party Advisory
http://cat.eyalro.net/ Technical Description Third Party Advisory
http://www.securityfocus.com/bid/106080 Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-16868
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16868
History
Created Old Value New Value Data Type Notes
2022-05-10 07:31:18 Added to TrackCVE
2022-12-03 14:54:47 2018-12-03T14:29Z 2018-12-03T14:29:00 CVE Published Date updated
2022-12-03 14:54:47 2022-11-30T21:20:28 CVE Modified Date updated
2022-12-03 14:54:47 Analyzed Vulnerability Status updated