Snort mailing list archives
Re: IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow
From: Yew Chuan Ong <yewchuan88 () gmail com>
Date: Mon, 26 Mar 2012 04:54:30 +0800
Thanks. One question, it is normal to see packet with size greater than 668 bytes? Is it the only indicator? On Mon, Mar 26, 2012 at 5:53 AM, rmkml <rmkml () yahoo fr> wrote:
Hi, Your revision on this rule are correct, but you don't have flowbits on this rule: strange ? Please add this flowbits: flowbits:isset,qualcom.**worldmail.ok; Regards Rmkml On Mon, 26 Mar 2012, Yew Chuan Ong wrote: Hye guys,I experienced lots of FPs with this sig - IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow. alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow"; flow:established,to_server; dsize:>668; metadata:policy balanced-ips drop, policy security-ips drop, service imap; refer ence:bugtraq,15980; reference:cve,2005-4267; classtype:attempted-admin; sid:1732 8; rev:1;) When I checked on the payloads, these are just normal email contents (not suspicious). I am wondering why the packet size is more than 668 bytes if it is not a real buffer overflow attempt. Any ideas? Thanks. Regards Yew Chuan
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Current thread:
- IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow Yew Chuan Ong (Mar 25)
- Re: IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow rmkml (Mar 25)
- Re: IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow Yew Chuan Ong (Mar 25)
- Re: IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow rmkml (Mar 25)
- Re: IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow Joel Esler (Mar 25)
- Re: IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow Yew Chuan Ong (Mar 25)
- Re: IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow rmkml (Mar 25)
- Re: IMAP Qualcomm WorldMail IMAP Literal Token Parsing Buffer Overflow Joel Esler (Mar 25)