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
CVSS v3 Base Score
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 |