netdev - Re: [PATCH 1/1] netfilter: cttimeout: fix buffer overflow

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20121121225436.GB19941@1984>
Date:	Wed, 21 Nov 2012 23:54:36 +0100
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Florian Westphal <fw@...len.de>
Cc:	netfilter-devel <netfilter-devel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/1] netfilter: cttimeout: fix buffer overflow

On Wed, Nov 21, 2012 at 12:37:38PM +0100, Florian Westphal wrote:
> Chen Gang reports:
> the length of nla_data(cda[CTA_TIMEOUT_NAME]) is not limited in server side.
> 
> And indeed, its used to strcpy to a fixed-sized buffer.
> 
> Fortunately, nfnetlink users need CAP_NET_ADMIN.

Good catch, applied thanks.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html