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Red Hat Enterprise Linux: RHSA-2019:2308-01 Low: Libguestfs Buffer Overflow

red hat
Calendar Grey August 6, 2019
Dist Redhat Esm H88
Red Hat releases a minor security patch for libguestfs-winsupport on Enterprise Linux, highlighting important details.
An update for libguestfs-winsupport 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

Summary

The libguestfs-winsupport package adds support for Windows guests to libguestfs, a set of tools and libraries allowing users to access and modify virtual machine (VM) disk images.
Security Fix(es):
* ntfs-3g: heap-based buffer overflow leads to local root privilege escalation (CVE-2019-9755)
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 7.7 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat buffer overflow local privilege escalation libguestfs

References

https://access.redhat.com/security/cve/CVE-2019-9755 https://access.redhat.com/security/updates/classification#low https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/7.7_release_notes/index

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: libguestfs-winsupport-7.2-3.el7.src.rpm
x86_64: libguestfs-winsupport-7.2-3.el7.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
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:2308-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2308
Issue date: 2019-08-06

Topic

An update for libguestfs-winsupport is now available for Red Hat EnterpriseLinux 7.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.

Topics%20covered

Topics Covered

security advisory security update Red Hat buffer overflow local privilege escalation libguestfs

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 7) - x86_64

Bugs Fixed

1691624 - CVE-2019-9755 ntfs-3g: heap-based buffer overflow leads to local root privilege escalation

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