Ming 0.4.8 util/parser.c parseSWF_DOACTION memory corruption

Summaryinfo

A vulnerability described as problematic has been identified in Ming 0.4.8. This issue affects the function parseSWF_DOACTION of the file util/parser.c. The manipulation results in memory corruption. This vulnerability is reported as CVE-2017-11703. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Ming 0.4.8. Affected is the function parseSWF_DOACTION of the file util/parser.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

A memory leak vulnerability was found in the function parseSWF_DOACTION in util/parser.c in Ming 0.4.8, which allows attackers to cause a denial of service via a crafted file.

The bug was discovered 06/07/2017. The weakness was disclosed 07/28/2017 (Website). The advisory is shared for download at somevulnsofadlab.blogspot.jp. This vulnerability is traded as CVE-2017-11703 since 07/27/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 51 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 261396 (Linux Distros Unpatched Vulnerability : CVE-2017-11703), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (261396). The entries VDB-104594 and VDB-104593 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• Ming

Version

• 0.4.8

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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