CVE-2009-1647 Memory corruption in n/a

Critical 9.3 Published 15 May 2009 Updated 7 Aug 2024

Remote attackers can crash the Ultrafunk Popcorn email client by sending a long string in a POP3 +OK response, causing a heap-based buffer overflow.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2009-1647?

CVE-2009-1647 is a critical memory corruption vulnerability in n/a, published on 15 May 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-119

Which versions are affected by CVE-2009-1647?

It affects 1 product.

Products include Ultrafunk Popcorn.

How do I fix CVE-2009-1647?

No fix has been published for CVE-2009-1647 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-1647 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1647 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-f4c5-7xpg-gxpc.