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Fix off-by-one in nscd getservbyport call

This commit is contained in:
Andreas Schwab 2013-11-11 12:24:42 +01:00
parent 43d5c02c72
commit 8ec3f656d6
3 changed files with 8 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2013-11-11 Andreas Schwab <schwab@suse.de>
[BZ #16153]
* nscd/nscd_getserv_r.c (__nscd_getservbyport_r): Don't include
terminating NUL in key length.
2013-11-08 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h (VDSO_IFUNC_RET):

2
NEWS
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@ -17,7 +17,7 @@ Version 2.19
15844, 15847, 15849, 15855, 15856, 15857, 15859, 15867, 15886, 15887,
15890, 15892, 15893, 15895, 15897, 15905, 15909, 15917, 15919, 15921,
15923, 15939, 15948, 15963, 15966, 15985, 15988, 16032, 16034, 16036,
16037, 16041, 16071, 16072, 16074, 16078, 16112.
16037, 16041, 16071, 16072, 16074, 16078, 16112, 16153.
* CVE-2012-4412 The strcoll implementation caches indices and rules for
large collation sequences to optimize multiple passes. This cache

2
nscd/nscd_getserv_r.c
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@ -54,7 +54,7 @@ __nscd_getservbyport_r (int port, const char *proto,
portstr[sizeof (portstr) - 1] = '\0';
char *cp = _itoa_word (port, portstr + sizeof (portstr) - 1, 10, 0);
return nscd_getserv_r (cp, portstr + sizeof (portstr) - cp, proto,
return nscd_getserv_r (cp, portstr + sizeof (portstr) - 1 - cp, proto,
GETSERVBYPORT, result_buf, buf, buflen, result);
}