critical
9.1
CWE
125 126 122
Advisory Published
CVE Published
CVE Published
Updated

CVE-2019-11036: Heap over-read in PHP EXIF extension

First published: Tue Apr 30 2019(Updated: )

Fixed bug (Heap-buffer-overflow in _estrndup via exif_process_IFD_TAG) (CVE-2019-11036).

Credit: security@php.net security@php.net

Affected SoftwareAffected VersionHow to fix
redhat/rh-php71-php<0:7.1.30-1.el7
0:7.1.30-1.el7
redhat/rh-php72-php<0:7.2.24-1.el7
0:7.2.24-1.el7
PHP PHP>=7.1.0<7.1.29
PHP PHP>=7.2.0<7.2.18
PHP PHP>=7.3.0<7.3.5
Fedoraproject Fedora=28
Fedoraproject Fedora=29
Fedoraproject Fedora=30
Redhat Software Collections=1.0
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
Canonical Ubuntu Linux=19.04
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
openSUSE Leap=15.0
openSUSE Leap=15.1
openSUSE Leap=42.3
PHP PHP<7.1.29
7.1.29
redhat/php<7.1.29
7.1.29
redhat/php<7.2.18
7.2.18
redhat/php<7.3.5
7.3.5
debian/php5
debian/php7.0
debian/php7.3

Remedy

https://github.com/php/php-src/commit/f80ad18afae2230c2c1802c7d829100af646874e

Remedy

http://git.php.net/?p=php-src.git;a=commit;h=f80ad18afae2230c2c1802c7d829100af646874e

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for this bug?

    The vulnerability ID for this bug is CVE-2019-11036.

  • What is the severity level of CVE-2019-11036?

    The severity level of CVE-2019-11036 is medium.

  • What is the affected software for CVE-2019-11036?

    The affected software for CVE-2019-11036 includes PHP versions 7.1.x below 7.1.29, 7.2.x below 7.2.18, and 7.3.x below 7.3.5.

  • How can CVE-2019-11036 be exploited?

    CVE-2019-11036 can be exploited by processing certain files that can cause PHP EXIF extension to read past allocated buffer in the exif_process_IFD_TAG function, leading to information disclosure or crash.

  • Are there any remediation steps available for CVE-2019-11036?

    Yes, remediation steps are available for CVE-2019-11036, and they involve updating PHP to versions 7.1.29, 7.2.18, or 7.3.5, or the corresponding packages from the Red Hat repository.

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