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Insecure Library Loading
Highly critical

POP Peeper Multiple Buffer Overflow Vulnerabilities

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Release Date:  2009-02-27    Last Update:  2009-03-24    Views:  3,391

Secunia Advisory SA34077

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


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 3.4.0.0. Other versions may also be affected.


Solution:
Secunia is currently not aware of a solution.

Provided and/or discovered by:
1, 2) Jeremy Brown
3) His0k4

Original Advisory:
Jeremy Brown:
http://www.krakowlabs.com/res/adv/KL0209ADV-poppeeper_uidl-bof.txt
http://www.krakowlabs.com/res/adv/KL0309ADV-poppeeper_date-bof.txt

His0k4:
http://milw0rm.com/exploits/8248

Stack:
http://milw0rm.com/exploits/8274
http://milw0rm.com/exploits/8275

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: POP Peeper Multiple Buffer Overflow Vulnerabilities

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