SWFMill SWF::Reader::getU30 heap-based overflow

Summaryinfo

A vulnerability marked as critical has been reported in SWFMill. The affected element is the function SWF::Reader::getU30. Performing a manipulation results in heap-based overflow. This vulnerability was named CVE-2022-36142. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in SWFMill (the affected version is unknown). This affects the function SWF::Reader::getU30. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

SWFMill commit 53d7690 was discovered to contain a heap-buffer overflow via SWF::Reader::getU30().

The weakness was presented 08/17/2022 as 61. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-36142 since 07/18/2022. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/17/2022).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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• SWFMill

CPE 2.3info

• 🔍

CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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