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Red Hat: RHSA-2017:0564-01 Moderate: libguestfs Integer Conversion Issue

red hat
Calendar Grey March 21, 2017
Scroller Redhat
Discover the latest moderate libguestfs update for Red Hat, focusing on resolving security vulnerabilities and correcting various bugs.
An update for libguestfs is now available for Red Hat Enterprise Linux 6

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 packages contain a library, which is used for accessing and modifying virtual machine (VM) disk images.
Security Fix(es):
* An integer conversion flaw was found in the way OCaml's String handled its length. Certain operations on an excessively long String could trigger a buffer overflow or result in an information leak. (CVE-2015-8869)
Note: The libguestfs packages in this advisory were rebuilt with a fixed version of OCaml to address this issue.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.9 Release Notes and Red Hat Enterprise Linux 6.9 Technical Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow bug fix moderate impact libguestfs integer conversion

References

https://access.redhat.com/security/cve/CVE-2015-8869 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.9_Release_Notes/index.html https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.9_Technical_Notes/index.html

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: libguestfs-1.20.11-20.el6.src.rpm
x86_64: libguestfs-1.20.11-20.el6.x86_64.rpm libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm libguestfs-java-1.20.11-20.el6.x86_64.rpm libguestfs-tools-1.20.11-20.el6.x86_64.rpm libguestfs-tools-c-1.20.11-20.el6.x86_64.rpm perl-Sys-Guestfs-1.20.11-20.el6.x86_64.rpm python-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
x86_64: libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm libguestfs-devel-1.20.11-20.el6.x86_64.rpm libguestfs-java-devel-1.20.11-20.el6.x86_64.rpm libguestfs-javadoc-1.20.11-20.el6.x86_64.rpm ocaml-libguestfs-1.20.11-20.el6.x86_64.rpm ocaml-libguestfs-devel-1.20.11-20.el6.x86_64.rpm ruby-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: libguestfs-1.20.11-20.el6.src.rpm
x86_64: libguestfs-1.20.11-20.el6.x86_64.rpm libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm libguestfs-java-1.20.11-20.el6.x86_64.rpm libguestfs-tools-1.20.11-20.el6.x86_64.rpm libguestfs-tools-c-1.20.11-20.el6.x86_64.rpm perl-Sys-Guestfs-1.20.11-20.el6.x86_64.rpm python-libguestfs-1.20.11-20.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64: libguestfs-debuginfo-1.20.11-20.el6.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2017:0564-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:0564.html
Issue date: 2017-03-21

Topic

An update for libguestfs is now available for Red Hat Enterprise Linux 6.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 Red Hat buffer overflow bug fix moderate impact libguestfs integer conversion

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - x86_64

Red Hat Enterprise Linux Workstation (v. 6) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

Bugs Fixed

1319086 - libguestfs-java: mismatch class version vs java dependency

1332090 - CVE-2015-8869 ocaml: sizes arguments are sign-extended from 32 to 64 bits

1388407 - virt-sysprep will fail detecting OS if "/usr" is a distinct partition mounted in "/" via fstab

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