var-200902-0667
Vulnerability from variot

Apple Safari 4 Beta build 528.16 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a feeds: URI beginning with a (1) % (percent), (2) { (open curly bracket), (3) } (close curly bracket), (4) ^ (caret), (5) ` (backquote), or (6) | (pipe) character, followed by an & (ampersand) character. Apple Safari is prone to a denial-of-service vulnerability that stems from a NULL-pointer dereference. Attackers can exploit this issue to crash the affected application, denying service to legitimate users. Apple Safari 4 Beta is vulnerable; other versions may also be affected. Safari is the web browser bundled by default in the Apple family operating system. Malformed feeds in Apple Safari: URI Null Pointer Reference Denial of Service Vulnerability. Since the user input provided in the feeds: URI is not adequately filtered, if the user is tricked into following a malicious link, a null pointer dereference will be triggered, causing the Safari process to crash

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