CVE-2009-4257 Memory corruption in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code by tricking users into opening a malicious SMIL file in RealPlayer.

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-2009-4257?

CVE-2009-4257 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 datatype/smil/common/smlpkt.cpp in smlrender.dll 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 and 10.1, Linux RealPlayer 10 and 11.0.0, and Helix Player 10.x and 11.0.0 allows remote attackers to execute arbitrary code via an SMIL file with crafted string lengths.

Weakness: CWE-119

Which versions are affected by CVE-2009-4257?

It affects 4 products.

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

How do I fix CVE-2009-4257?

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-2009-4257 being exploited?

There is no known exploitation of CVE-2009-4257 in the wild and no public exploit code.

All Realnetworks Realplayer vulnerabilities

Sources

Also known as GHSA-3gv9-4xxv-89c6.

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