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List:       oss-security
Subject:    Re: [oss-security] CVE Request: Glibc Pointer guarding weakness
From:       akuster <akuster () mvista ! com>
Date:       2015-10-30 0:45:21
Message-ID: 5632BDA1.2060706 () mvista ! com
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On 10/15/2015 01:08 AM, Florian Weimer wrote:
> On 09/05/2015 06:49 PM, Hector Marco-Gisbert wrote:
>> Hello,
>>
>> A weakness in the dynamic loader have been found, Glibc prior to 2.22.90
>> are affected. The issue is that the LD_POINTER_GUARD in the environment
>> is not sanitized allowing local attackers easily to bypass the pointer
>> guarding protection on set-user-ID and set-group-ID programs.
>>
>>
>> Details and PoC at:
>> http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html
>>
>>
>> A patch is already sent to Glibc maintainers. This issue is similar to
>> http://hmarco.org/bugs/CVE-2013-4788.html but now affect to dynamic
>> linked applications.
> 
>> Could you please assign a CVE ?

Did I miss the assignment or this does not warrant a CVE?

- armin
> 
> Upstream commit:
> 
> https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commit;h=a014cecd82b71b70a6a843e250e06b541ad524f7
> 
> Florian
> 
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