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Date: Sat, 28 Mar 2015 01:44:52 -0400 (EDT)
From: cve-assign@...re.org
To: pierre@...ctos.org
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: CVE request: denial of service in Quassel
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>> The second is
>> the core crash caused by sending an overlength CTCP query ("/me")
>> containing only multibyte characters. This bug was caused by the
>> old CTCP splitter using the byte index from lastParamOverrun() as
>> a character index for a QString.
> This seems to be, very roughly, an issue of incorrectly determining a
> data-structure length by using a wrong-sized data type for counting.
> It happens to be about multibyte characters but that's of secondary
> importance. This will almost certainly have a unique CVE ID ...
Use CVE-2015-2778.
>> Unlike what it replaces, the new splitting code is not recursive
>> and cannot cause stack overflows.
>>> But, be it a crash or a hang, it would cause a denial of
>>> service for any client connected to core.
Use CVE-2015-2779.
> The first is garbage characters caused
> by accidentally splitting the string in the middle of a multibyte
> character.
As suggested earlier, this has no CVE ID.
> if it is unable
> to split a string, it will give up gracefully and not crash the
> core or cause a thread to run away.
As suggested earlier, this has no CVE ID.
- --
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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