CVE-2019-3861

Public on 2019-03-25
Modified on 2019-08-09
Description
An out of bounds read flaw was discovered in libssh2 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.
Severity
Medium severity
Medium
CVSS v3 Base Score
5.0
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core libssh2 2019-08-07 ALAS2-2019-1263 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.0 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD CVSSv2 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P
NVD CVSSv3 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H