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>> mpop Security Update Fixes APOP Protocol Information Disclosure Security Weakness

Title : mpop Security Update Fixes APOP Protocol Information Disclosure Security Weakness
VUPEN ID : VUPEN/ADV-2007-1468
CVE ID : CVE-2007-1558
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-04-19


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A weakness has been identified in mpop, which could be exploited by remote attackers to gain knowledge of sensitive information. This issue is caused by an error in the APOP protocol that fails to properly prevent MD5 collisions, which could be exploited via man-in-the-middle attacks and specially crafted message-IDs to potentially disclose the first three characters of passwords.

Affected Products

mpop version 1.0.8 and prior

Solution

Upgrade to mpop version 1.0.9 :
http://sourceforge.net/projects/mpop/

References

http://www.vupen.com/english/advisories/2007/1468
http://sourceforge.net/forum/forum.php?forum_id=683706

Credits

Vulnerability reported by Gaëtan LEURENT

ChangeLog

2007-04-19 : Initial release

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