A vulnerability was found in Mozilla Firefox up to 65.x on MacOS (Web Browser) and classified as critical. Affected by this issue is some unknown processing of the component Developer Tools. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Firefox Developer Tools it is possible that pasting the result of the 'Copy as cURL' command into a command shell on macOS will cause the execution of unintended additional bash script commands if the URL was maliciously crafted. This is the result of an issue with the native version of Bash on macOS. *Note: This issue only affects macOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 66.

The bug was discovered 03/19/2019. The weakness was presented 04/26/2019. This vulnerability is handled as CVE-2019-9804 since 03/14/2019. The attack needs to be approached locally. Required for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

The vulnerability was handled as a non-public zero-day exploit for at least 38 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 66.0 eliminates this vulnerability.

See 134172, 134171, 134170 and 134169 for similar entries.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 65.x

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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