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Red Hat Enterprise Linux: RHSA-2020:4766-01 Moderate: libexif Bug Fix

red hat
Calendar Grey November 3, 2020
Dist Redhat Esm H88
Red Hat releases a mild security notice concerning libexif, which addresses various concerns while providing enhancements and solutions.
An update for libexif is now available for Red Hat Enterprise Linux 8

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 libexif packages provide a library for extracting extra information from image files.
The following packages have been upgraded to a later upstream version: libexif (0.6.22). (BZ#1841320)
Security Fix(es):
* libexif: out of bounds write in exif-data.c (CVE-2019-9278)
* libexif: out of bounds read due to a missing bounds check in exif_data_save_data_entry function in exif-data.c (CVE-2020-0093)
* libexif: integer overflow in exif_data_load_data_thumbnail function in exif-data.c (CVE-2020-0181)
* libexif: integer overflow in exif_data_load_data_content function in exif-data.c (CVE-2020-0198)
* libexif: use of uninitialized memory in EXIF Makernote handling can lead to crashes and use-after-free (CVE-2020-13113)
* libexif: unrestricted size in handling Canon EXIF MakerNote data can lead to consumption of large amounts of compute time (CVE-2020-13114)
* libexif: out of bounds read due to a missing bounds check in exif_entry_get_value function in exif-entry.c (CVE-2020-0182)
* libexif: divide-by-zero in exif_entry_get_value function in exif-entry.c (CVE-2020-12767)
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 8.3 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue bug fix Red Hat Enterprise libexif

References

https://access.redhat.com/security/cve/CVE-2019-9278 https://access.redhat.com/security/cve/CVE-2020-0093 https://access.redhat.com/security/cve/CVE-2020-0181 https://access.redhat.com/security/cve/CVE-2020-0182 https://access.redhat.com/security/cve/CVE-2020-0198 https://access.redhat.com/security/cve/CVE-2020-12767 https://access.redhat.com/security/cve/CVE-2020-13113 https://access.redhat.com/security/cve/CVE-2020-13114 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: libexif-0.6.22-4.el8.src.rpm
aarch64: libexif-0.6.22-4.el8.aarch64.rpm libexif-debuginfo-0.6.22-4.el8.aarch64.rpm libexif-debugsource-0.6.22-4.el8.aarch64.rpm
ppc64le: libexif-0.6.22-4.el8.ppc64le.rpm libexif-debuginfo-0.6.22-4.el8.ppc64le.rpm libexif-debugsource-0.6.22-4.el8.ppc64le.rpm
s390x: libexif-0.6.22-4.el8.s390x.rpm libexif-debuginfo-0.6.22-4.el8.s390x.rpm libexif-debugsource-0.6.22-4.el8.s390x.rpm
x86_64: libexif-0.6.22-4.el8.i686.rpm libexif-0.6.22-4.el8.x86_64.rpm libexif-debuginfo-0.6.22-4.el8.i686.rpm libexif-debuginfo-0.6.22-4.el8.x86_64.rpm libexif-debugsource-0.6.22-4.el8.i686.rpm libexif-debugsource-0.6.22-4.el8.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64: libexif-debuginfo-0.6.22-4.el8.aarch64.rpm libexif-debugsource-0.6.22-4.el8.aarch64.rpm libexif-devel-0.6.22-4.el8.aarch64.rpm
ppc64le: libexif-debuginfo-0.6.22-4.el8.ppc64le.rpm libexif-debugsource-0.6.22-4.el8.ppc64le.rpm libexif-devel-0.6.22-4.el8.ppc64le.rpm
s390x: libexif-debuginfo-0.6.22-4.el8.s390x.rpm libexif-debugsource-0.6.22-4.el8.s390x.rpm libexif-devel-0.6.22-4.el8.s390x.rpm
x86_64: libexif-debuginfo-0.6.22-4.el8.i686.rpm libexif-debuginfo-0.6.22-4.el8.x86_64.rpm libexif-debugsource-0.6.22-4.el8.i686.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:4766-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4766
Issue date: 2020-11-03

Topic

An update for libexif is now available for Red Hat Enterprise Linux 8.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 bug fix Red Hat Enterprise libexif

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

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

Bugs Fixed

1789031 - CVE-2019-9278 libexif: out of bounds write in exif-data.c

1834950 - CVE-2020-12767 libexif: divide-by-zero in exif_entry_get_value function in exif-entry.c

1840347 - CVE-2020-13113 libexif: use of uninitialized memory in EXIF Makernote handling can lead to crashes and use-after-free

1840350 - CVE-2020-13114 libexif: unrestricted size in handling Canon EXIF MakerNote data can lead to consumption of large amounts of compute time

1841320 - Rebase to libexif 0.6.22

1847131 - CVE-2020-0181 libexif: integer overflow in exif_data_load_data_thumbnail function in exif-data.c

1847133 - CVE-2020-0198 libexif: integer overflow in exif_data_load_data_content function in exif-data.c

1852487 - CVE-2020-0093 libexif: out of bounds read due to a missing bounds check in exif_data_save_data_entry function in exif-data.c

1852490 - CVE-2020-0182 libexif: out of bounds read due to a missing bounds check in exif_entry_get_value function in exif-entry.c

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