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 |
---|---|---|
Kconfig | -rw-r--r-- | 4.3 KB |
Makefile | -rw-r--r-- | 392 bytes |
TODO | -rw-r--r-- | 944 bytes |
af_ax25.c | -rw-r--r-- | 44.4 KB |
ax25_addr.c | -rw-r--r-- | 6.1 KB |
ax25_dev.c | -rw-r--r-- | 4.8 KB |
ax25_ds_in.c | -rw-r--r-- | 7.1 KB |
ax25_ds_subr.c | -rw-r--r-- | 5.1 KB |
ax25_ds_timer.c | -rw-r--r-- | 5.9 KB |
ax25_iface.c | -rw-r--r-- | 5.1 KB |
ax25_in.c | -rw-r--r-- | 10.6 KB |
ax25_ip.c | -rw-r--r-- | 5.2 KB |
ax25_out.c | -rw-r--r-- | 8.6 KB |
ax25_route.c | -rw-r--r-- | 11.1 KB |
ax25_std_in.c | -rw-r--r-- | 11.1 KB |
ax25_std_subr.c | -rw-r--r-- | 2.3 KB |
ax25_std_timer.c | -rw-r--r-- | 4.3 KB |
ax25_subr.c | -rw-r--r-- | 7.0 KB |
ax25_timer.c | -rw-r--r-- | 5.4 KB |
ax25_uid.c | -rw-r--r-- | 4.8 KB |
sysctl_net_ax25.c | -rw-r--r-- | 6.5 KB |
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