openSUSE Security Update : libssh2_org (openSUSE-2019-1109)

High Nessus Plugin ID 123656

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 6.7

Synopsis

The remote openSUSE host is missing a security update.

Description

This update for libssh2_org fixes the following issues :

Security issues fixed:	

- CVE-2019-3861: Fixed Out-of-bounds reads with specially crafted SSH packets (bsc#1128490).

- CVE-2019-3862: Fixed Out-of-bounds memory comparison with specially crafted message channel request packet (bsc#1128492).

- CVE-2019-3860: Fixed Out-of-bounds reads with specially crafted SFTP packets (bsc#1128481).

- CVE-2019-3863: Fixed an Integer overflow in user authenicate keyboard interactive which could allow out-of-bounds writes with specially crafted keyboard responses (bsc#1128493).

- CVE-2019-3856: Fixed a potential Integer overflow in keyboard interactive handling which could allow out-of-bounds write with specially crafted payload (bsc#1128472).

- CVE-2019-3859: Fixed Out-of-bounds reads with specially crafted payloads due to unchecked use of
_libssh2_packet_require and _libssh2_packet_requirev (bsc#1128480).

- CVE-2019-3855: Fixed a potential Integer overflow in transport read which could allow out-of-bounds write with specially crafted payload (bsc#1128471).

- CVE-2019-3858: Fixed a potential zero-byte allocation which could lead to an out-of-bounds read with a specially crafted SFTP packet (bsc#1128476).

- CVE-2019-3857: Fixed a potential Integer overflow which could lead to zero-byte allocation and out-of-bounds with specially crafted message channel request SSH packet (bsc#1128474).

This update was imported from the SUSE:SLE-15:Update update project.

Solution

Update the affected libssh2_org packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1128471

https://bugzilla.opensuse.org/show_bug.cgi?id=1128472

https://bugzilla.opensuse.org/show_bug.cgi?id=1128474

https://bugzilla.opensuse.org/show_bug.cgi?id=1128476

https://bugzilla.opensuse.org/show_bug.cgi?id=1128480

https://bugzilla.opensuse.org/show_bug.cgi?id=1128481

https://bugzilla.opensuse.org/show_bug.cgi?id=1128490

https://bugzilla.opensuse.org/show_bug.cgi?id=1128492

https://bugzilla.opensuse.org/show_bug.cgi?id=1128493

Plugin Details

Severity: High

ID: 123656

File Name: openSUSE-2019-1109.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2019/04/03

Updated: 2020/09/22

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS Score Source: CVE-2019-3855

CVSS v2.0

Base Score: 9.3

Temporal Score: 6.9

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:libssh2-1, p-cpe:/a:novell:opensuse:libssh2-1-32bit, p-cpe:/a:novell:opensuse:libssh2-1-32bit-debuginfo, p-cpe:/a:novell:opensuse:libssh2-1-debuginfo, p-cpe:/a:novell:opensuse:libssh2-devel, p-cpe:/a:novell:opensuse:libssh2_org-debugsource, cpe:/o:novell:opensuse:15.0

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 2019/04/02

Vulnerability Publication Date: 2019/03/21

Reference Information

CVE: CVE-2019-3855, CVE-2019-3856, CVE-2019-3857, CVE-2019-3858, CVE-2019-3859, CVE-2019-3860, CVE-2019-3861, CVE-2019-3862, CVE-2019-3863