CVE-2019-3858

critical

Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. 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

Advisories
More

https://www.debian.org/security/2019/dsa-4431

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767

https://security.netapp.com/advisory/ntap-20190327-0005/

https://seclists.org/bugtraq/2019/Mar/25

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/

https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3858

https://access.redhat.com/errata/RHSA-2019:2136

http://www.securityfocus.com/bid/107485

http://www.openwall.com/lists/oss-security/2019/03/18/3

http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html

https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

https://www.libssh2.org/CVE-2019-3858.html

https://seclists.org/bugtraq/2019/Apr/25

Details

Source: Mitre, NVD

Published: 2019-03-21

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Severity: Critical

EPSS

EPSS: 0.01677