Alerts This Week
Warning Icon 1 764
Alerts This Week
Warning Icon 1 764

Red Hat: RHSA-2020-3915 Moderate: libssh2 Integer Overflow Issue

red hat
Calendar Grey September 29, 2020
Dist Redhat Esm H88
Important libssh2 security update notice for Red Hat Enterprise Linux 7, dealing with an integer overflow vulnerability.
An update for libssh2 is now available for Red Hat Enterprise Linux 7

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.

Summary

The libssh2 packages provide a library that implements the SSH2 protocol.
Security Fix(es):
* libssh2: integer overflow in SSH_MSG_DISCONNECT logic in packet.c (CVE-2019-17498)
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 7.9 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue Red Hat integer overflow SSH libssh2

References

https://access.redhat.com/security/cve/CVE-2019-17498 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: libssh2-1.8.0-4.el7.src.rpm
x86_64: libssh2-1.8.0-4.el7.i686.rpm libssh2-1.8.0-4.el7.x86_64.rpm libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: libssh2-docs-1.8.0-4.el7.noarch.rpm
x86_64: libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm libssh2-devel-1.8.0-4.el7.i686.rpm libssh2-devel-1.8.0-4.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: libssh2-1.8.0-4.el7.src.rpm
x86_64: libssh2-1.8.0-4.el7.i686.rpm libssh2-1.8.0-4.el7.x86_64.rpm libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch: libssh2-docs-1.8.0-4.el7.noarch.rpm
x86_64: libssh2-debuginfo-1.8.0-4.el7.i686.rpm libssh2-debuginfo-1.8.0-4.el7.x86_64.rpm libssh2-devel-1.8.0-4.el7.i686.rpm libssh2-devel-1.8.0-4.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: libssh2-1.8.0-4.el7.src.rpm
ppc64: libssh2-1.8.0-4.el7.ppc.rpm libssh2-1.8.0-4.el7.ppc64.rpm libssh2-debuginfo-1.8.0-4.el7.ppc.rpm libssh2-debuginfo-1.8.0-4.el7.ppc64.rpm
ppc64le: libssh2-1.8.0-4.el7.ppc64le.rpm libssh2-debuginfo-1.8.0-4.el7.ppc64le.rpm
s390x:

Read the Full Advisory


Advisory ID: RHSA-2020:3915-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3915
Issue date: 2020-09-29

Topic

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 impactof Moderate. 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.

Topics%20covered

Topics Covered

security advisory moderate security issue Red Hat integer overflow SSH libssh2

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

Bugs Fixed

1766898 - CVE-2019-17498 libssh2: integer overflow in SSH_MSG_DISCONNECT logic in packet.c

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here