When processing certain files, PHP EXIF extension in versions 7.1.x below 7.1.28, 7.2.x below 7.2.17 and 7.3.x below 7.3.4 can be caused to read past allocated buffer in exif_iif_add_value function. This may lead to information disclosure or crash. Reference: https://bugs.php.net/bug.php?id=77831 Upstream Commit: http://git.php.net/?p=php-src.git;a=commit;h=887a7b571407f7a49a5e7cf1e612d21ef83fedb4 http://git.php.net/?p=php-src.git;a=commit;h=330f1716df49c0d3474c18b6dcd370a9dcf57422
Created php tracking bugs for this issue: Affects: fedora-all [bug 1702259]
Upstream patch for this issue: http://git.php.net/?p=php-src.git;a=commit;h=887a7b571407f7a49a5e7cf1e612d21ef83fedb4
Statement: This issue affects the versions of php as shipped with Red Hat Enterprise Linux 5, 6 and 7 . Red Hat Product Security has rated this issue as having a security impact of Low. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. This issue did affect the versions of php as shipped with Red Hat Software Collections.
Currently EXIF module from php package doesn't properly validate de number of components read from EXIF header. A well crafted image with malicious EXIF header may lead to a heap buffer overflow and improper read of previous allocated data in function exif_iif_add_value()
This issue has been addressed in the following products: Red Hat Software Collections for Red Hat Enterprise Linux 7 Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS Via RHSA-2019:2519 https://access.redhat.com/errata/RHSA-2019:2519
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2019-11035
This issue has been addressed in the following products: Red Hat Software Collections for Red Hat Enterprise Linux 7 Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS Via RHSA-2019:3299 https://access.redhat.com/errata/RHSA-2019:3299
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2020:1624 https://access.redhat.com/errata/RHSA-2020:1624