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Message-ID: <5632BDA1.2060706@mvista.com>
Date: Thu, 29 Oct 2015 17:45:21 -0700
From: akuster <akuster@...sta.com>
To: oss-security@...ts.openwall.com
Cc: cve-assign@...re.org, Florian Weimer <fweimer@...hat.com>
Subject: Re: CVE Request: Glibc Pointer guarding weakness
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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