Information Exposure

Affecting gnutls28 package, versions *

Report new vulnerabilities
Do your applications use this vulnerable package? Test your applications

Overview

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.

References

CVSS Score

5.6
low severity
  • Attack Vector
    Physical
  • Attack Complexity
    High
  • Privileges Required
    Low
  • User Interaction
    None
  • Scope
    Changed
  • Confidentiality
    High
  • Integrity
    Low
  • Availability
    None
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
CVE
CVE-2018-16868
CWE
CWE-203
Snyk ID
SNYK-UBUNTU1804-GNUTLS28-340583
Disclosed
03 Dec, 2018
Published
03 Dec, 2018