Re: 2.6 kernel local-user root privilege hole

2008-02-11 Thread Alex Hewitt
On Mon, 2008-02-11 at 08:11 -0500, Ben Scott wrote: On Feb 10, 2008 9:36 PM, Dan Miller [EMAIL PROTECTED] wrote: I wonder if 64 bit is immune. I don't understand the details of the code, but I see some hard-coded values and a lot of assembler. Many exploits depend on things like buffer

Re: 2.6 kernel local-user root privilege hole

2008-02-11 Thread Ben Scott
On Feb 10, 2008 9:36 PM, Dan Miller [EMAIL PROTECTED] wrote: I wonder if 64 bit is immune. I don't understand the details of the code, but I see some hard-coded values and a lot of assembler. Many exploits depend on things like buffer sizes and offsets, so switching to a different word size

2.6 kernel local-user root privilege hole

2008-02-10 Thread Bill Sconce
[ I just compiled and tried it. Sure enough, the program below, run from user mode, gets a root shell. Yike.] [ There doesn't seem to be any activity on the list since early Saturday; I imagine that someone else has written about this already. -Bill] [ From

Re: 2.6 kernel local-user root privilege hole

2008-02-10 Thread Travis Roy
I just tried this on Ubuntu-Server (7.04) and it didn't work. Running 2.6.20-16-server On Feb 10, 2008 7:48 PM, Bill Sconce [EMAIL PROTECTED] wrote: [ I just compiled and tried it. Sure enough, the program below, run from user mode, gets a root shell. Yike.] [ There doesn't seem to be any

Re: 2.6 kernel local-user root privilege hole

2008-02-10 Thread Michael ODonnell
On Feb 10, 2008 7:48 PM, Bill Sconce [EMAIL PROTECTED] wrote: [ I just compiled and tried it. Sure enough, the program below, run from user mode, gets a root shell. Yike.] I just tried this on Ubuntu-Server (7.04) and it didn't work. Running 2.6.20-16-server This worked with my 2.6.22

Re: 2.6 kernel local-user root privilege hole

2008-02-10 Thread Ben Scott
On Feb 10, 2008 7:48 PM, Bill Sconce [EMAIL PROTECTED] wrote: [ I just compiled and tried it. Sure enough, the program below, run from user mode, gets a root shell. Yike.] Another day, another exploit. Local privilege escalation often isn't even rated as highest threat these days. It's

Re: 2.6 kernel local-user root privilege hole

2008-02-10 Thread Dan Miller
This failed with 2.6.23 on x86_64. Get some nice output though: --- Linux vmsplice Local Root Exploit By qaaz --- [+] mmap: 0x1000 .. 0x10001000 [+] page: 0x1000 [+] page: 0x1038 [+] mmap: 0x4000 ..