CVE-2009-4242 Memory corruption in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code by tricking users into opening a malicious GIF file in RealPlayer due to a heap-based buffer overflow.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2009-4242?

CVE-2009-4242 is a critical memory corruption vulnerability in Realnetworks Realplayer, published on 25 Jan 2010. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.0 through 11.0.4; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via a GIF file with crafted chunk sizes that trigger improper memory allocation.

Weakness: CWE-119

Which versions are affected by CVE-2009-4242?

It affects 4 products.

Products include Realnetworks Helix Player, Realnetworks Realplayer, Realnetworks Realplayer Enterprise, Realnetworks Realplayer Sp.

How do I fix CVE-2009-4242?

Upgrade to a fixed version.

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

Is CVE-2009-4242 being exploited?

There is no known exploitation of CVE-2009-4242 in the wild and no public exploit code.

All Realnetworks Realplayer vulnerabilities

Sources

Also known as GHSA-x57c-5473-xjq4.

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