Summary
It was discovered that PHP incorrectly handled certain file uploads.
An attacker could possibly use this issue to cause a crash.
(CVE-2020-7062)
It was discovered that PHP incorrectly handled certain PHAR archive files.
An attacker could possibly use this issue to access sensitive information.
(CVE-2020-7063)
It was discovered that PHP incorrectly handled certain EXIF files.
An attacker could possibly use this issue to access sensitive information
or cause a crash. (CVE-2020-7064)
It was discovered that PHP incorrectly handled certain UTF strings.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. This issue only affected Ubuntu 19.10. (CVE-2020-7065)
It was discovered that PHP incorrectly handled certain URLs.
An attacker could possibly use this issue to expose sensitive information.
This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 19.10.
(CVE-2020-7066)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 16.04 LTS 16.04:LTS | php7.0 | 7.0.33-0ubuntu0.16.04.14 |
| Ubuntu · 18.04 LTS 18.04:LTS | php7.2 | 7.2.24-0ubuntu0.18.04.4 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | php5 | 5.5.9+dfsg-1ubuntu4.29+esm11 |
Vulnerabilities 5
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High 7.5
Null Pointer Dereference in PHP Session Upload Progress
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload proce…
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High 7.4
mb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially c…
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Medium 6.5
Use-of-uninitialized-value in exif
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to inform…
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Medium 5.5
Files added to tar with Phar::buildFromIterator have all-access permissions
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when creating PHAR archive using PharData::buildFromIterator() function, the files are added with default permissions (0666, or all access) even if the original files on the filesys…
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Medium 5.3
get_headers() silently truncates after a null byte
In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently truncated at it. This may cause some software to make incorrect a…