Title: Ipswitch IMail Server LDAP Buffer Overflow Vulnerability
Severity: CRITICAL
Description:
Ipswitch IMail is an e-mail server that serves clients their mail via a web interface. It runs on Microsoft Windows operating systems.
IMail ships with a LDAP server to enable remote clients to have read access to the IMail directory.
The IMail LDAP component is prone to a remotely exploitable buffer overflow condition, allowing attackers to execute arbitrary attacker-supplied instructions.
The overflow is known to occur when an overly long string is provided as a "bind DN" during authentication. It is possible to exploit this condition to overwrite stack variables, such as the return address, with arbitrary instructions. In this manner, a remote attacker may leverage this vulnerability to execute arbitrary code.
IMail normally runs in the SYSTEM context, meaning that successful exploitation will result in a full compromise of the underlying system.
It should be noted that this condition may also be exploited to trigger a denial of service.
Affected Products:
- Ipswitch IMail 5.0.0
- Ipswitch IMail 5.0.5
- Ipswitch IMail 5.0.6
- Ipswitch IMail 5.0.7
- Ipswitch IMail 5.0.8
- Ipswitch IMail 6.0.0
- Ipswitch IMail 6.0.1
- Ipswitch IMail 6.0.2
- Ipswitch IMail 6.0.3
- Ipswitch IMail 6.0.4
- Ipswitch IMail 6.0.5
- Ipswitch IMail 6.0.6
- Ipswitch IMail 6.1.0
- Ipswitch IMail 6.2.0
- Ipswitch IMail 6.3.0
- Ipswitch IMail 6.4.0
- Ipswitch IMail 7.0.1
- Ipswitch IMail 7.0.2
- Ipswitch IMail 7.0.3
- Ipswitch IMail 7.0.4
- Ipswitch IMail 7.0.5
- Ipswitch IMail 7.0.6
- Ipswitch IMail 7.0.7
- Ipswitch IMail 7.1.0
- Microsoft Windows NT 4.0
References:
- Ipswitch: IMail Home Page
- Ipswitch: IMail Patches & Upgrades
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