PHP up to 7.2.33/7.3.22/7.4.10 AES-CCM openssl_encrypt input validation

Summaryinfo

A vulnerability marked as critical has been reported in PHP up to 7.2.33/7.3.22/7.4.10. Affected by this issue is the function openssl_encrypt of the component AES-CCM. This manipulation causes input validation. The identification of this vulnerability is CVE-2020-7069. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in PHP up to 7.2.33/7.3.22/7.4.10 (Programming Language Software) and classified as problematic. Affected by this vulnerability is the function openssl_encrypt of the component AES-CCM. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality. The summary by CVE is:

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.

The weakness was shared 10/02/2020 (Website). The advisory is shared at bugs.php.net. This vulnerability is known as CVE-2020-7069 since 01/15/2020. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 7.2.34, 7.3.23 or 7.4.11 eliminates this vulnerability.

The entry VDB-162230 is related to this item. 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
• 7.2.9
• 7.2.10
• 7.2.11
• 7.2.12
• 7.2.13
• 7.2.14
• 7.2.15
• 7.2.16
• 7.2.17
• 7.2.18
• 7.2.19
• 7.2.20
• 7.2.21
• 7.2.22
• 7.2.23
• 7.2.24
• 7.2.25
• 7.2.26
• 7.2.27
• 7.2.28
• 7.2.29
• 7.2.30
• 7.2.31
• 7.2.32
• 7.2.33
• 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
• 7.3.16
• 7.3.17
• 7.3.18
• 7.3.19
• 7.3.20
• 7.3.21
• 7.3.22
• 7.4.0
• 7.4.1
• 7.4.2
• 7.4.3
• 7.4.4
• 7.4.5
• 7.4.6
• 7.4.7
• 7.4.8
• 7.4.9
• 7.4.10

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