Summary
It was discovered that PHP incorrectly handled certain exif tags in JPEG
images. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 16.04 LTS 16.04:LTS | php7.0 | 7.0.33-0ubuntu0.16.04.4 |
| Ubuntu · 18.04 LTS 18.04:LTS | php7.2 | 7.2.17-0ubuntu0.18.04.1 |
Vulnerabilities 2
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Medium 4.8
Heap over-read in PHP EXIF extension
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_process_IFD_TAG function. This may lead to information disclosure or crash.
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Medium 4.8
Heap over-read in PHP EXIF extension
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.