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>
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| File | Mode | Size |
|---|---|---|
| auth_gss | ||
| Makefile | -rw-r--r-- | 400 bytes |
| auth.c | -rw-r--r-- | 9.7 KB |
| auth_null.c | -rw-r--r-- | 2.5 KB |
| auth_unix.c | -rw-r--r-- | 5.4 KB |
| cache.c | -rw-r--r-- | 30.3 KB |
| clnt.c | -rw-r--r-- | 34.0 KB |
| pmap_clnt.c | -rw-r--r-- | 9.2 KB |
| rpc_pipe.c | -rw-r--r-- | 18.8 KB |
| sched.c | -rw-r--r-- | 26.9 KB |
| socklib.c | -rw-r--r-- | 4.4 KB |
| stats.c | -rw-r--r-- | 6.5 KB |
| sunrpc_syms.c | -rw-r--r-- | 4.5 KB |
| svc.c | -rw-r--r-- | 21.9 KB |
| svcauth.c | -rw-r--r-- | 3.6 KB |
| svcauth_unix.c | -rw-r--r-- | 13.4 KB |
| svcsock.c | -rw-r--r-- | 45.1 KB |
| sysctl.c | -rw-r--r-- | 3.2 KB |
| timer.c | -rw-r--r-- | 2.3 KB |
| xdr.c | -rw-r--r-- | 26.4 KB |
| xprt.c | -rw-r--r-- | 25.6 KB |
| xprtsock.c | -rw-r--r-- | 42.9 KB |
Computing file changes ...
