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OpenBSD <= 5.5 Local Kernel Panic
- To: "bugtraq@xxxxxxxxxxxxxxxxx" <bugtraq@xxxxxxxxxxxxxxxxx>
- Subject: OpenBSD <= 5.5 Local Kernel Panic
- From: Alejandro Hernandez <alejandro.hernandez@xxxxxxxxxxxxxx>
- Date: Thu, 23 Oct 2014 13:45:28 -0700
OpenBSD <= 5.5 (All architectures) is prone to a local DoS condition by
triggering a kernel panic through a malformed ELF executable.
A patch has been released to address this issue. See "013 Reliability Fix" at:
http://www.openbsd.org/errata55.html#013_kernexec
More details and PoC code:
http://www.ioactive.com/pdfs/IOActive_Advisory_OpenBSD_5_5_Local_Kernel_Panic.pdf
Regards,
Alejandro Hernandez
Senior Security Consultant
IOActive, Ltd
Mobile: (+521) 55 2515 7446
http://www.ioactive.com
alejandro.hernandez@xxxxxxxxxxxxxx
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