Ultrafunk popcorn 1.87 POP3 Server popcorn.exe memory corruption

Summaryinfo

A vulnerability described as critical has been identified in Ultrafunk popcorn 1.87. This impacts an unknown function of the file popcorn.exe of the component POP3 Server. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2009-1647. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Ultrafunk popcorn 1.87 and classified as very critical. Affected by this issue is an unknown code block of the file popcorn.exe of the component POP3 Server. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in popcorn.exe in Ultrafunk Popcorn 1.87 allows remote POP3 servers to cause a denial of service (application crash) via a long string in a +OK response. NOTE: some of these details are obtained from third party information.

The weakness was published 05/15/2009 (Website). The advisory is shared for download at vupen.com. This vulnerability is handled as CVE-2009-1647 since 05/15/2009. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/27/2024).

A public exploit has been developed by x.CJP.x in Python and been published even before and not after the advisory. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k.

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 databases at Exploit-DB (8526) and SecurityFocus (BID 34699†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Ultrafunk

Name

• popcorn

Version

• 1.87

CPE 2.3info

• 🔍

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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