CVE-2019-3857

Published Mar 25, 2019

Last updated a year ago

Overview

Description: An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
Source: secalert@redhat.com
NVD status: Modified

Hype score: Not currently trending

Risk scores

CVSS 3.1

Type: Primary
Base score: 8.8
Impact score: 5.9
Exploitability score: 2.8
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: HIGH

CVSS 3.0

Type: Secondary
Base score: 7.5
Impact score: 5.9
Exploitability score: 1.6
Vector string: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: HIGH

CVSS 2.0

Type: Primary
Base score: 6.8
Impact score: 6.4
Exploitability score: 8.6
Vector string: AV:N/AC:M/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov: CWE-190
secalert@redhat.com: CWE-190

Configurations

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Overview

Social media

Risk scores

CVSS 3.1

CVSS 3.0

CVSS 2.0

Weaknesses

Configurations

References