sympa up to 6.2.52 Parameter resource consumption

Summaryinfo

A vulnerability described as problematic has been identified in sympa. This issue affects some unknown processing of the component Parameter Handler. Executing a manipulation can lead to resource consumption. The identification of this vulnerability is CVE-2020-9369. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in sympa and classified as problematic. This vulnerability affects an unknown code block of the component Parameter Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.

The weakness was shared 02/24/2020. This vulnerability was named CVE-2020-9369 since 02/24/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• sympa

Version

• 6.2.38
• 6.2.39
• 6.2.40
• 6.2.41
• 6.2.42
• 6.2.43
• 6.2.44
• 6.2.45
• 6.2.46
• 6.2.47
• 6.2.48
• 6.2.49
• 6.2.50
• 6.2.51
• 6.2.52

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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• 🔍
• 🔍

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CVSSv3info

CVSSv2info

Exploitinginfo

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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