[X2Go-Dev] Bug#777: Bug#777: nx-libs: incorrect usage of scanf

[Mike Gabriel]

Control: close -1

Closing (and agreeing on this) by use request.

Mike

On  Mo 02 Feb 2015 21:39:50 CET, Heinrich Schuchardt wrote:

> Squeeze reached end of life.
> Package libc6 in wheezy is patched against the bug.
> Package libc6 in jessie is not vulnerable as it uses a newer libc6
> release.
>
> So I think we should close this bug and concentrate on updating our
> mesa code to the newest version instead of patching some old version.
>
> Best regards
>
> Heinrich
>
> On 31.01.2015 16:04, Mike Gabriel wrote:
>> Hi Heinrich,
>>
>> On  Fr 30 Jan 2015 20:35:53 CET, Heinrich Schuchardt wrote:
>>
>>> package: nx-libs version: head
>>>
>>> In different parts of the nx-libs library you can find usages of
>>> scanf like
>>>
>>> /* check for MESA_GAMMA environment variable */ gamma =
>>> _mesa_getenv("MESA_GAMMA"); if (gamma) { v->RedGamma =
>>> v->GreenGamma = v->BlueGamma = 0.0; sscanf( gamma, "%f %f %f",
>>> &v->RedGamma, &v->GreenGamma, &v->BlueGamma );
>>>
>>> According to cppcheck:
>>>
>>> scanf without field width limits can crash with huge input data
>>> on libc versions older than 2.13-25. Add a field width specifier
>>> to fix this problem: %i => %3i
>>
>> Any chance you could also provide a patch for this?
>>
>> Mike
>>


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