Greg MacManus has reported two vulnerabilities in Adobe Acrobat Reader, which can be exploited by malicious people to compromise a user's system.
1) An input validation error within the "uudecoding" feature allows injection of arbitrary shell commands. This can be exploited via a malicious PDF document with a specially crafted filename containing backtick shell metacharacters.
2) A boundary error within the "uudecoding" feature can be exploited to cause a buffer overflow via a malicious PDF document with an overly long filename.
Successful exploitation may allow execution of arbitrary code, but requires that a user is tricked into opening a malicious document.
The vulnerabilities have been reported in versions 5.05 and 5.06 for UNIX. Other versions may also be affected.
Solution: Version 5.09 for UNIX is not vulnerable.
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