Revision 1fb844961818ce94e782acf6a96b92dc2303553b authored by Alexey Dobriyan on 26 January 2007, 08:57:16 UTC, committed by Linus Torvalds on 26 January 2007, 21:51:00 UTC
Proposed patch to fix #5 in http://www.isec.pl/vulnerabilities/isec-0017-binfmt_elf.txt aka http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1073 To reproduce, do * grab poc at the end of advisory. * add line "eph.p_memsz = 4096;" after "eph.p_filesz = 4096;" where first "4096" is something equal to or greater than 4096. * ./poc /usr/bin/sudo && ls -l Here I get with 2.6.20-rc5: -rw------- 1 ad ad 102400 2007-01-15 19:17 core ---s--x--x 2 root root 101820 2007-01-15 19:15 /usr/bin/sudo Check for MAY_READ like binfmt_misc.c does. Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent c20086d
| File | Mode | Size |
|---|---|---|
| Makefile | -rw-r--r-- | 254 bytes |
| af_rose.c | -rw-r--r-- | 37.5 KB |
| rose_dev.c | -rw-r--r-- | 3.5 KB |
| rose_in.c | -rw-r--r-- | 7.5 KB |
| rose_link.c | -rw-r--r-- | 6.8 KB |
| rose_loopback.c | -rw-r--r-- | 2.4 KB |
| rose_out.c | -rw-r--r-- | 2.8 KB |
| rose_route.c | -rw-r--r-- | 30.4 KB |
| rose_subr.c | -rw-r--r-- | 11.6 KB |
| rose_timer.c | -rw-r--r-- | 4.9 KB |
| sysctl_net_rose.c | -rw-r--r-- | 4.3 KB |
Computing file changes ...
