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redhat/pidginInput Validation, Integer Overflow, Buffer Overflow

Risk 89
Severity
10
Input Validation, Integer Overflow, Buffer Overflow
AV:N/AC:L/Au:N/C:C/I:C/A:C

Core Security Technologies reported that previous upstream fixes addressing insufficient input validation flaw in pidgin / libpurple in function msnslplinkprocessmsg() are inefficient and can be bypassed. This flaw allows an attacker to overwrite pidgin's memory and possibly execute arbitrary code with the privileges of the user running application using libpurple.

This issue was previously tracked as CVE-2008-2927 (bug #453764) and CVE-2009-1376 (bug #500493, incomplete fix).

1 / 2
Source: Red Hat

Remedy

Users can lower the impact of this flaw by making sure their privacy settings only allow Pidgin to accept messages from the users on their buddy list. This will prevent exploitation of this flaw by other random MSN users.
First published (updated )
CVE-2009-2694

redhat/pidginInteger Overflow

Risk 48
Severity
6.8
Integer Overflow
AV:N/AC:M/Au:N/C:P/I:P/A:P

An integer overflow in Pidgin's MSN protocol handler could allow malformed SLP message to cause an integer overflow, which could result in arbitrary code execution.

This flaw is only exploitable by individuals who can message a user, which is controlled by the Pidgin privacy setting. The default setting is to only allow messages from users in the buddy list.

1 / 2
Source: Red Hat
First published (updated )
CVE-2008-2927

Adium AdiumThe OSCAR protocol plugin in libpurple in Pidgin before 2.6.3 and Adium before 1.3.7 allows remote a…

Risk 26
Severity
5
AV:N/AC:L/Au:N/C:N/I:N/A:P

The OSCAR protocol plugin in libpurple in Pidgin before 2.6.3 and Adium before 1.3.7 allows remote attackers to cause a denial of service (application crash) via crafted contact-list data for (1) ICQ and possibly (2) AIM, as demonstrated by the SIM IM client.

First published (updated )
CVE-2009-3615

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