Out-of-bounds Read

Affecting libssh2 package, versions <1.8.1-r0

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

Overview

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

References

CVSS Score

9.1
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    None
  • Availability
    High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Credit
Unknown
CVE
CVE-2019-3861
CWE
CWE-125
Snyk ID
SNYK-ALPINE38-LIBSSH2-467498
Disclosed
22 Sep, 2019
Published
22 Sep, 2019