Home / mailings [RHSA-2019:1884-01] Moderate: libssh2 security update
Posted on 29 July 2019
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Moderate: libssh2 security update
Advisory ID: RHSA-2019:1884-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1884
Issue date: 2019-07-29
CVE Names: CVE-2019-3862
=====================================================================
1. Summary:
An update for libssh2 is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le, s390x
3. Description:
The libssh2 packages provide a library that implements the SSH2 protocol.
Security Fix(es):
* libssh2: Out-of-bounds memory comparison with specially crafted message
channel request (CVE-2019-3862)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing these updated packages, all running applications using
libssh2 must be restarted for this update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1687312 - CVE-2019-3862 libssh2: Out-of-bounds memory comparison with specially crafted message channel request
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
libssh2-1.4.3-12.el7_6.3.src.rpm
x86_64:
libssh2-1.4.3-12.el7_6.3.i686.rpm
libssh2-1.4.3-12.el7_6.3.x86_64.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.i686.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch:
libssh2-docs-1.4.3-12.el7_6.3.noarch.rpm
x86_64:
libssh2-debuginfo-1.4.3-12.el7_6.3.i686.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.x86_64.rpm
libssh2-devel-1.4.3-12.el7_6.3.i686.rpm
libssh2-devel-1.4.3-12.el7_6.3.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
libssh2-1.4.3-12.el7_6.3.src.rpm
x86_64:
libssh2-1.4.3-12.el7_6.3.i686.rpm
libssh2-1.4.3-12.el7_6.3.x86_64.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.i686.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch:
libssh2-docs-1.4.3-12.el7_6.3.noarch.rpm
x86_64:
libssh2-debuginfo-1.4.3-12.el7_6.3.i686.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.x86_64.rpm
libssh2-devel-1.4.3-12.el7_6.3.i686.rpm
libssh2-devel-1.4.3-12.el7_6.3.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
libssh2-1.4.3-12.el7_6.3.src.rpm
ppc64:
libssh2-1.4.3-12.el7_6.3.ppc.rpm
libssh2-1.4.3-12.el7_6.3.ppc64.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.ppc.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.ppc64.rpm
ppc64le:
libssh2-1.4.3-12.el7_6.3.ppc64le.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.ppc64le.rpm
s390x:
libssh2-1.4.3-12.el7_6.3.s390.rpm
libssh2-1.4.3-12.el7_6.3.s390x.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.s390.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.s390x.rpm
x86_64:
libssh2-1.4.3-12.el7_6.3.i686.rpm
libssh2-1.4.3-12.el7_6.3.x86_64.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.i686.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
libssh2-1.4.3-12.el7_6.3.src.rpm
aarch64:
libssh2-1.4.3-12.el7_6.3.aarch64.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.aarch64.rpm
ppc64le:
libssh2-1.4.3-12.el7_6.3.ppc64le.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.ppc64le.rpm
s390x:
libssh2-1.4.3-12.el7_6.3.s390.rpm
libssh2-1.4.3-12.el7_6.3.s390x.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.s390.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.s390x.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
noarch:
libssh2-docs-1.4.3-12.el7_6.3.noarch.rpm
ppc64:
libssh2-debuginfo-1.4.3-12.el7_6.3.ppc.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.ppc64.rpm
libssh2-devel-1.4.3-12.el7_6.3.ppc.rpm
libssh2-devel-1.4.3-12.el7_6.3.ppc64.rpm
ppc64le:
libssh2-debuginfo-1.4.3-12.el7_6.3.ppc64le.rpm
libssh2-devel-1.4.3-12.el7_6.3.ppc64le.rpm
s390x:
libssh2-debuginfo-1.4.3-12.el7_6.3.s390.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.s390x.rpm
libssh2-devel-1.4.3-12.el7_6.3.s390.rpm
libssh2-devel-1.4.3-12.el7_6.3.s390x.rpm
x86_64:
libssh2-debuginfo-1.4.3-12.el7_6.3.i686.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.x86_64.rpm
libssh2-devel-1.4.3-12.el7_6.3.i686.rpm
libssh2-devel-1.4.3-12.el7_6.3.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64:
libssh2-debuginfo-1.4.3-12.el7_6.3.aarch64.rpm
libssh2-devel-1.4.3-12.el7_6.3.aarch64.rpm
noarch:
libssh2-docs-1.4.3-12.el7_6.3.noarch.rpm
ppc64le:
libssh2-debuginfo-1.4.3-12.el7_6.3.ppc64le.rpm
libssh2-devel-1.4.3-12.el7_6.3.ppc64le.rpm
s390x:
libssh2-debuginfo-1.4.3-12.el7_6.3.s390.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.s390x.rpm
libssh2-devel-1.4.3-12.el7_6.3.s390.rpm
libssh2-devel-1.4.3-12.el7_6.3.s390x.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
libssh2-1.4.3-12.el7_6.3.src.rpm
x86_64:
libssh2-1.4.3-12.el7_6.3.i686.rpm
libssh2-1.4.3-12.el7_6.3.x86_64.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.i686.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
noarch:
libssh2-docs-1.4.3-12.el7_6.3.noarch.rpm
x86_64:
libssh2-debuginfo-1.4.3-12.el7_6.3.i686.rpm
libssh2-debuginfo-1.4.3-12.el7_6.3.x86_64.rpm
libssh2-devel-1.4.3-12.el7_6.3.i686.rpm
libssh2-devel-1.4.3-12.el7_6.3.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-3862
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
