Python up to 2.7.16/3.5.7/3.6.9/3.7.4 Email input validation

Summaryinfo

A vulnerability classified as critical was found in Python up to 2.7.16/3.5.7/3.6.9/3.7.4. Impacted is an unknown function of the component Email Module. Such manipulation leads to input validation. This vulnerability is traded as CVE-2019-16056. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Python up to 2.7.16/3.5.7/3.6.9/3.7.4 (Programming Language Software). It has been rated as critical. Affected by this issue is an unknown function of the component Email Module. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Python through 2.7.16, 3.x through 3.5.7, 3.6.x through 3.6.9, and 3.7.x through 3.7.4. The email module wrongly parses email addresses that contain multiple @ characters. An application that uses the email module and implements some kind of checks on the From/To headers of a message could be tricked into accepting an email address that should be denied. An attack may be the same as in CVE-2019-11340; however, this CVE applies to Python more generally.

The weakness was shared 09/06/2019 (Website). The advisory is shared for download at security.netapp.com. This vulnerability is handled as CVE-2019-16056 since 09/06/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-158131 and VDB-158400 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Programming Language Software

Name

• Python

Version

• 2.7.0
• 2.7.1
• 2.7.2
• 2.7.3
• 2.7.4
• 2.7.5
• 2.7.6
• 2.7.7
• 2.7.8
• 2.7.9
• 2.7.10
• 2.7.11
• 2.7.12
• 2.7.13
• 2.7.14
• 2.7.15
• 2.7.16
• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.6.0
• 3.6.1
• 3.6.2
• 3.6.3
• 3.6.4
• 3.6.5
• 3.6.6
• 3.6.7
• 3.6.8
• 3.6.9
• 3.7.0
• 3.7.1
• 3.7.2
• 3.7.3
• 3.7.4

License

• open-source

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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