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Red Hat 7 RHSA-2018-3246-01 Low: Libcdio Buffer Over-Read

red hat
Calendar Grey October 30, 2018
Dist Redhat Esm H88
Red Hat released a security update for the libcdio library in RHEL 7, fixing low-risk vulnerabilities. Admins should apply it to ensure system security
An update for libcdio 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 libcdio library provides an interface for CD-ROM access. It can be used by applications that need OS-independent and device-independent access to CD-ROM devices.
Security Fix(es):
* libcdio: Heap-based buffer over-read in print_iso9660_recurse function in iso-info.c (CVE-2017-18198)
* libcdio: NULL pointer dereference in realloc_symlink in rock.c (CVE-2017-18199)
* libcdio: Double free in get_cdtext_generic() in lib/driver/_cdio_generic.c (CVE-2017-18201)
For more details about the security issue(s), including the impact, a CVSS score, 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 7.6 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory security fix Red Hat Enterprise Linux low impact libcdio buffer over-read

References

https://access.redhat.com/security/cve/CVE-2017-18198 https://access.redhat.com/security/cve/CVE-2017-18199 https://access.redhat.com/security/cve/CVE-2017-18201 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: libcdio-0.92-3.el7.src.rpm
x86_64: libcdio-0.92-3.el7.i686.rpm libcdio-0.92-3.el7.x86_64.rpm libcdio-debuginfo-0.92-3.el7.i686.rpm libcdio-debuginfo-0.92-3.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: libcdio-debuginfo-0.92-3.el7.i686.rpm libcdio-debuginfo-0.92-3.el7.x86_64.rpm libcdio-devel-0.92-3.el7.i686.rpm libcdio-devel-0.92-3.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source: libcdio-0.92-3.el7.src.rpm
x86_64: libcdio-0.92-3.el7.i686.rpm libcdio-0.92-3.el7.x86_64.rpm libcdio-debuginfo-0.92-3.el7.i686.rpm libcdio-debuginfo-0.92-3.el7.x86_64.rpm libcdio-devel-0.92-3.el7.i686.rpm libcdio-devel-0.92-3.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: libcdio-0.92-3.el7.src.rpm
ppc64: libcdio-0.92-3.el7.ppc.rpm libcdio-0.92-3.el7.ppc64.rpm libcdio-debuginfo-0.92-3.el7.ppc.rpm libcdio-debuginfo-0.92-3.el7.ppc64.rpm
ppc64le: libcdio-0.92-3.el7.ppc64le.rpm libcdio-debuginfo-0.92-3.el7.ppc64le.rpm
s390x: libcdio-0.92-3.el7.s390.rpm libcdio-0.92-3.el7.s390x.rpm libcdio-debuginfo-0.92-3.el7.s390.rpm libcdio-debuginfo-0.92-3.el7.s390x.rpm
x86_64: libcdio-0.92-3.el7.i686.rpm libcdio-0.92-3.el7.x86_64.rpm libcdio-debuginfo-0.92-3.el7.i686.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:3246-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3246
Issue date: 2018-10-30

Topic

An update for libcdio is now available for Red Hat Enterprise Linux 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 fix Red Hat Enterprise Linux low impact libcdio buffer over-read

Relevant Releases Architectures

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

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

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

Red Hat Enterprise Linux Workstation Optional (v. 7) - 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, ppc64le, s390x

Bugs Fixed

1549644 - CVE-2017-18198 libcdio: Heap-based buffer over-read in print_iso9660_recurse function in iso-info.c

1549701 - CVE-2017-18199 libcdio: NULL pointer dereference in realloc_symlink in rock.c

1549707 - CVE-2017-18201 libcdio: Double free in get_cdtext_generic() in lib/driver/_cdio_generic.c

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