RedHat: RHSA-2022-2031:01 Low: libssh security, bug fix, | LinuxSec...
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Low: libssh security, bug fix, and enhancement update
Advisory ID:       RHSA-2022:2031-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:2031
Issue date:        2022-05-10
CVE Names:         CVE-2021-3634 
=====================================================================

1. Summary:

An update for libssh is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Low. 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 AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

libssh is a library which implements the SSH protocol. It can be used to
implement client and server applications.

The following packages have been upgraded to a later upstream version:
libssh (0.9.6). (BZ#1896651)

Security Fix(es):

* libssh: possible heap-based buffer overflow when rekeying (CVE-2021-3634)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.6 Release Notes linked from 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
libssh must be restarted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1896651 - Update for libssh-0.9.0-4.el8.x86_64 as it has bug. Rebase to libssh-0-9-6
1978810 - CVE-2021-3634 libssh: possible heap-based buffer overflow when rekeying
2020159 - CI/gating - replace STI tests

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

aarch64:
libssh-debuginfo-0.9.6-3.el8.aarch64.rpm
libssh-debugsource-0.9.6-3.el8.aarch64.rpm
libssh-devel-0.9.6-3.el8.aarch64.rpm

ppc64le:
libssh-debuginfo-0.9.6-3.el8.ppc64le.rpm
libssh-debugsource-0.9.6-3.el8.ppc64le.rpm
libssh-devel-0.9.6-3.el8.ppc64le.rpm

s390x:
libssh-debuginfo-0.9.6-3.el8.s390x.rpm
libssh-debugsource-0.9.6-3.el8.s390x.rpm
libssh-devel-0.9.6-3.el8.s390x.rpm

x86_64:
libssh-debuginfo-0.9.6-3.el8.i686.rpm
libssh-debuginfo-0.9.6-3.el8.x86_64.rpm
libssh-debugsource-0.9.6-3.el8.i686.rpm
libssh-debugsource-0.9.6-3.el8.x86_64.rpm
libssh-devel-0.9.6-3.el8.i686.rpm
libssh-devel-0.9.6-3.el8.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
libssh-0.9.6-3.el8.src.rpm

aarch64:
libssh-0.9.6-3.el8.aarch64.rpm
libssh-debuginfo-0.9.6-3.el8.aarch64.rpm
libssh-debugsource-0.9.6-3.el8.aarch64.rpm

noarch:
libssh-config-0.9.6-3.el8.noarch.rpm

ppc64le:
libssh-0.9.6-3.el8.ppc64le.rpm
libssh-debuginfo-0.9.6-3.el8.ppc64le.rpm
libssh-debugsource-0.9.6-3.el8.ppc64le.rpm

s390x:
libssh-0.9.6-3.el8.s390x.rpm
libssh-debuginfo-0.9.6-3.el8.s390x.rpm
libssh-debugsource-0.9.6-3.el8.s390x.rpm

x86_64:
libssh-0.9.6-3.el8.i686.rpm
libssh-0.9.6-3.el8.x86_64.rpm
libssh-debuginfo-0.9.6-3.el8.i686.rpm
libssh-debuginfo-0.9.6-3.el8.x86_64.rpm
libssh-debugsource-0.9.6-3.el8.i686.rpm
libssh-debugsource-0.9.6-3.el8.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-2021-3634
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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RedHat: RHSA-2022-2031:01 Low: libssh security, bug fix,

An update for libssh is now available for Red Hat Enterprise Linux 8

Summary

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.
The following packages have been upgraded to a later upstream version: libssh (0.9.6). (BZ#1896651)
Security Fix(es):
* libssh: possible heap-based buffer overflow when rekeying (CVE-2021-3634)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258After installing these updated packages, all running applications usinglibssh must be restarted for this update to take effect.

References

https://access.redhat.com/security/cve/CVE-2021-3634 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: libssh-debuginfo-0.9.6-3.el8.aarch64.rpm libssh-debugsource-0.9.6-3.el8.aarch64.rpm libssh-devel-0.9.6-3.el8.aarch64.rpm
ppc64le: libssh-debuginfo-0.9.6-3.el8.ppc64le.rpm libssh-debugsource-0.9.6-3.el8.ppc64le.rpm libssh-devel-0.9.6-3.el8.ppc64le.rpm
s390x: libssh-debuginfo-0.9.6-3.el8.s390x.rpm libssh-debugsource-0.9.6-3.el8.s390x.rpm libssh-devel-0.9.6-3.el8.s390x.rpm
x86_64: libssh-debuginfo-0.9.6-3.el8.i686.rpm libssh-debuginfo-0.9.6-3.el8.x86_64.rpm libssh-debugsource-0.9.6-3.el8.i686.rpm libssh-debugsource-0.9.6-3.el8.x86_64.rpm libssh-devel-0.9.6-3.el8.i686.rpm libssh-devel-0.9.6-3.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source: libssh-0.9.6-3.el8.src.rpm
aarch64: libssh-0.9.6-3.el8.aarch64.rpm libssh-debuginfo-0.9.6-3.el8.aarch64.rpm libssh-debugsource-0.9.6-3.el8.aarch64.rpm
noarch: libssh-config-0.9.6-3.el8.noarch.rpm
ppc64le: libssh-0.9.6-3.el8.ppc64le.rpm libssh-debuginfo-0.9.6-3.el8.ppc64le.rpm libssh-debugsource-0.9.6-3.el8.ppc64le.rpm
s390x: libssh-0.9.6-3.el8.s390x.rpm libssh-debuginfo-0.9.6-3.el8.s390x.rpm libssh-debugsource-0.9.6-3.el8.s390x.rpm
x86_64: libssh-0.9.6-3.el8.i686.rpm libssh-0.9.6-3.el8.x86_64.rpm libssh-debuginfo-0.9.6-3.el8.i686.rpm libssh-debuginfo-0.9.6-3.el8.x86_64.rpm libssh-debugsource-0.9.6-3.el8.i686.rpm libssh-debugsource-0.9.6-3.el8.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/

Severity
Advisory ID: RHSA-2022:2031-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:2031
Issued Date: : 2022-05-10
CVE Names: CVE-2021-3634

Topic

An update for libssh is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1896651 - Update for libssh-0.9.0-4.el8.x86_64 as it has bug. Rebase to libssh-0-9-6

1978810 - CVE-2021-3634 libssh: possible heap-based buffer overflow when rekeying

2020159 - CI/gating - replace STI tests

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