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Date: Thu, 7 Jan 2016 11:05:02 -0500 (EST)
From: cve-assign@...re.org
To: oss-security+ml@...lde.de
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: CVE id request: dhcpcd
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> http://roy.marples.name/projects/dhcpcd/info/76a1609352263bd9def1300d7ba990679571fa30
> dhcp_optlen now returns the length of the data we can sanely work on
> given the option definition and data length. Call dhcp_optlen in
> dhcp_envoption1 to take into ensure these bounds are not overstepped.
> Fixes an issue reported by Nico Golde where extra undersized data was
> present in the option. An example of this would be an array of
> uint16's with a trailing byte.
>> can lead to a heap overflow via malformed dhcp responses later in
>> print_option (via dhcp_envoption1) due to incorrect option length
>> values
Use CVE-2016-1503.
> http://roy.marples.name/projects/dhcpcd/info/595883e2a431f65d8fabf33059aa4689cca17403
> Ensure that option length fits inside data length less option size.
> Thanks to Nico Golde for the report.
>> can lead to an invalid read/crash via malformed dhcp responses
Use CVE-2016-1504.
- --
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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