CVE-2005-2922
HighSummary
Multiple RealNetworks products including RealPlayer 10.x, RealOne Player, and Helix Player have a heap-based buffer overflow in the embedded player. A remote malicious server can cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response where the chunk header length is -1, less than actual data, or missing.
Risk Assessment
An attacker can remotely crash the player or take control of the victim's system, posing a risk to data confidentiality and integrity.
Recommendation
Immediately update RealNetworks software to the latest version that fixes this vulnerability, and consider restricting HTTP traffic from untrusted sources.
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Original NVD description (English source)
Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player, and Helix Player allows remote malicious servers to cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response in which either (1) the chunk header length is specified as -1, (2) the chunk header with a length that is less than the actual amount of sent data, or (3) a missing chunk header.