PHP up to 7.2.8/7.3.15/7.4.3 URL get_headers null termination

Summaryinfo

A vulnerability marked as critical has been reported in PHP up to 7.2.8/7.3.15/7.4.3. This vulnerability affects the function get_headers of the component URL Handler. This manipulation causes null termination. This vulnerability is registered as CVE-2020-7066. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 7.2.8/7.3.15/7.4.3 (Programming Language Software). It has been declared as critical. Affected by this vulnerability is the function get_headers of the component URL Handler. The manipulation with an unknown input leads to a null termination vulnerability. The CWE definition for the vulnerability is CWE-170. The product does not terminate or incorrectly terminates a string or array with a null character or equivalent terminator. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 assumptions about the target of the get_headers() and possibly send some information to a wrong server.

The weakness was published 04/01/2020. This vulnerability is known as CVE-2020-7066 since 01/15/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

Upgrading to version 7.2.9, 7.3.16 or 7.4.4 eliminates this vulnerability.

Similar entries are available at VDB-152484 and VDB-152483. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Programming Language Software

Name

• PHP

Version

• 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
• 7.3.0
• 7.3.1
• 7.3.2
• 7.3.3
• 7.3.4
• 7.3.5
• 7.3.6
• 7.3.7
• 7.3.8
• 7.3.9
• 7.3.10
• 7.3.11
• 7.3.12
• 7.3.13
• 7.3.14
• 7.3.15
• 7.4.0
• 7.4.1
• 7.4.2
• 7.4.3

License

• open-source

Website

• Product: https://www.php.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion