Some vulnerabilities have been reported in Lotus Notes/Domino, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.
1) A boundary error within the Domino Server when processing certain time/date fields, which can be updated from the web, can be exploited to cause a buffer overflow by passing a specially crafted POST request.
According to the vendor, successful exploitation crashes the Domino server. However, NGSSoftware states that code execution is possible.
2) A format string error in the Domino server when handling authentication using the NRPC Notes protocol can be exploited via a specially crafted string containing format specifiers.
According to the vendor, successful exploitation crashes the Domino server. Code execution has reportedly not been proven.
3) An unspecified boundary error in NOTES.INI on a Lotus Notes client can be exploited to cause a buffer overflow.
According to the vendor, successful exploitation causes the client to crash, but requires local access to the NOTES.INI file. Code execution has reportedly not been proven.
4) An error in the @SetHTTPHeader function can be exploited to inject arbitrary content into the header and potentially conduct HTTP response splitting attacks or proxy cache poisoning.
According to the vendor, the vulnerable function is only available to application developers, and successful exploitation requires the ability to install a malicious application on the Lotus Domino server.
5) An error within the handling of the "Block Sender" rule feautre can be exploited by a malicious user to create 15K of conditions in a "Block Sender" list, which may consume a large amount of CPU resources or impact router performance on the network.
Solution: Update to Lotus Notes and Domino release 6.5.4 or 6.0.5.
Provided and/or discovered by: 1) Mark Litchfield, NGS Software.
2-3) Ollie Whitehouse, Symantec.
4) Juan C Calderon
Original Advisory: IBM:
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