CVE-2009-4247 Memory corruption in n/a
Remote attackers can execute arbitrary code or crash RealPlayer via a malicious ASM RuleBook with excessive rules, requiring user interaction to open the file.
- 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-2009-4247?
CVE-2009-4247 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
Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1; Linux RealPlayer 10, 11.0.0, and 11.0.1; and Helix Player 10.x, 11.0.0, and 11.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an ASM RuleBook with a large number of rules, related to an "array overflow."
Weakness: CWE-119
Which versions are affected by CVE-2009-4247?
It affects 4 products.
Products include Realnetworks Helix Player, Realnetworks Realplayer, Realnetworks Realplayer Enterprise, Realnetworks Realplayer Sp.
How do I fix CVE-2009-4247?
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-2009-4247 being exploited?
There is no known exploitation of CVE-2009-4247 in the wild and no public exploit code.
Other vulnerabilities in Realnetworks Realplayer
Sources
Also known as GHSA-9h7f-xvfq-hm25.