CVE-2009-4257: Buffer Overflow
Common Vulnerabilities and Exposures assigned an identifier CVE-2009-4257 to the following vulnerability:
Heap-based buffer overflow 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.
References: http://service.real.com/realplayer/security/01192010player/en/ http://www.zerodayinitiative.com/advisories/ZDI-10-007/ http://www.securityfocus.com/archive/1/509105/100/0/threaded http://xforce.iss.net/xforce/xfdb/55798
Other sources
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.
— Red Hat
Affected Software
Remediation
Patch Available
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2009-4257?
CVE-2009-4257 is considered a critical vulnerability due to the potential for remote code execution.
How do I fix CVE-2009-4257?
To fix CVE-2009-4257, update RealPlayer to the latest version provided by RealNetworks.
Which software versions are affected by CVE-2009-4257?
CVE-2009-4257 affects RealPlayer versions 10.0, 10.5, and 11.0 through 11.0.4, as well as Helix Player versions 10.0 and 11.0.0.
Can CVE-2009-4257 be exploited remotely?
Yes, CVE-2009-4257 can be exploited remotely, allowing attackers to execute arbitrary code on affected systems.
Are there any known workarounds for CVE-2009-4257?
Currently, the most effective workaround for CVE-2009-4257 is to uninstall the affected versions of RealPlayer and Helix Player.