CVE-2019-3859

Public on 2019-03-21
Modified on 2024-02-12
Description
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. 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
6.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 libssh2 2023-05-25 ALAS-2023-1756 Fixed
Amazon Linux 2 - Core libssh2 2023-05-11 ALAS2-2023-2046 Fixed
Amazon Linux 2023 libssh2 Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
NVD CVSSv2 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P
NVD CVSSv3 5.0 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L