PECL in the download utility class in the Installer in PEAR Base System v1.10.1 does not validate file types and filenames after a redirect, which allows remote HTTP servers to overwrite files via crafted responses, as demonstrated by a .htaccess overwrite.
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pear | Php | 1.10.1 (including) | 1.10.1 (including) |
| Php-pear | Ubuntu | artful | * |
| Php-pear | Ubuntu | bionic | * |
| Php-pear | Ubuntu | cosmic | * |
| Php-pear | Ubuntu | disco | * |
| Php-pear | Ubuntu | eoan | * |
| Php-pear | Ubuntu | groovy | * |
| Php-pear | Ubuntu | hirsute | * |
| Php-pear | Ubuntu | impish | * |
| Php-pear | Ubuntu | kinetic | * |
| Php-pear | Ubuntu | lunar | * |
| Php-pear | Ubuntu | mantic | * |
| Php-pear | Ubuntu | upstream | * |
| Php-pear | Ubuntu | xenial | * |
| Php-pear | Ubuntu | yakkety | * |
| Php-pear | Ubuntu | zesty | * |
| Php5 | Ubuntu | precise | * |
| Php5 | Ubuntu | precise/esm | * |
| Php5 | Ubuntu | trusty | * |
| Php5 | Ubuntu | trusty/esm | * |
| Php5 | Ubuntu | upstream | * |