Some vulnerabilities have been discovered in POP Peeper, which can be exploited by malicious people to compromise a user's system.
1) A boundary error exists in the processing of POP3 responses. This can be exploited to cause a stack-based buffer overflow via an overly long parameter attached to an UIDL response.
2) A boundary error exists in the processing of the "Date:" email header in POP3 responses to the RETR command. This can be exploited to cause a stack-based buffer overflow e.g. via an overly long string in the "Date:" email header.
Successful exploitation allows execution of arbitrary code, but requires that the user is tricked into connecting to a malicious mail server.
3) A boundary error in the processing of the "From:" email header can be exploited to cause a stack-based buffer overflow by e.g. tricking a user into connecting to a malicious server or into opening a specially crafted ".eml" or ".html" file.
Successful exploitation allows execution of arbitrary code.
The vulnerabilities are confirmed in version 220.127.116.11. Other versions may also be affected.
Solution: Secunia is currently not aware of a solution.
Provided and/or discovered by: 1, 2) Jeremy Brown
Original Advisory: Jeremy Brown:
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Subject: POP Peeper Multiple Buffer Overflow Vulnerabilities
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