PHP up to 7.1.30/7.2.20/7.3.7 EXIF Extension exif_read_data memory corruption

Summaryinfo

A vulnerability was found in PHP up to 7.1.30/7.2.20/7.3.7. It has been rated as critical. Affected by this vulnerability is the function exif_read_data of the component EXIF Extension. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2019-11042. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in PHP up to 7.1.30/7.2.20/7.3.7 (Programming Language Software). This affects the function exif_read_data of the component EXIF Extension. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.31, 7.2.x below 7.2.21 and 7.3.x below 7.3.8 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.

The weakness was published 08/09/2019 (Website). It is possible to read the advisory at bugs.php.net. This vulnerability is uniquely identified as CVE-2019-11042 since 04/09/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 7.1.31, 7.2.21 or 7.3.8 eliminates this vulnerability.

Similar entry is available at VDB-139754. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Programming Language Software

Name

• PHP

Version

• 7.1.0
• 7.1.1
• 7.1.2
• 7.1.3
• 7.1.4
• 7.1.5
• 7.1.6
• 7.1.7
• 7.1.8
• 7.1.9
• 7.1.10
• 7.1.11
• 7.1.12
• 7.1.13
• 7.1.14
• 7.1.15
• 7.1.16
• 7.1.17
• 7.1.18
• 7.1.19
• 7.1.20
• 7.1.21
• 7.1.22
• 7.1.23
• 7.1.24
• 7.1.25
• 7.1.26
• 7.1.27
• 7.1.28
• 7.1.29
• 7.1.30
• 7.2.0
• 7.2.1
• 7.2.2
• 7.2.3
• 7.2.4
• 7.2.5
• 7.2.6
• 7.2.7
• 7.2.8
• 7.2.9
• 7.2.10
• 7.2.11
• 7.2.12
• 7.2.13
• 7.2.14
• 7.2.15
• 7.2.16
• 7.2.17
• 7.2.18
• 7.2.19
• 7.2.20
• 7.3.0
• 7.3.1
• 7.3.2
• 7.3.3
• 7.3.4
• 7.3.5
• 7.3.6
• 7.3.7

License

• open-source

Website

• Product: https://www.php.org/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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