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Add mitigation for CVE-2015-0235 (bug #68925)

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This commit is contained in:
Stanislav Malyshev 2015-01-31 18:59:18 -08:00
parent 237128603f
commit 882a375dba
4 changed files with 9 additions and 3 deletions
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3
NEWS
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@ -2,6 +2,9 @@ PHP NEWS
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
?? ??? 2015, PHP 5.5.22
- Core:
. Fixed bug #68925 (Mitigation for CVE-2015-0235 – GHOST: glibc gethostbyname
buffer overflow). (Stas)
- Date:
. Fixed bug #45081 (strtotime incorrectly interprets SGT time zone). (Derick)

6
ext/sockets/sockaddr_conv.c
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@ -9,6 +9,10 @@
#include <arpa/inet.h>
#endif
#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 255
#endif
extern int php_string_to_if_index(const char *val, unsigned *out TSRMLS_DC);
#if HAVE_IPV6
@ -90,7 +94,7 @@ int php_set_inet_addr(struct sockaddr_in *sin, char *string, php_socket *php_soc
if (inet_aton(string, &tmp)) {
sin->sin_addr.s_addr = tmp.s_addr;
} else {
if (! (host_entry = gethostbyname(string))) {
if (strlen(string) > MAXHOSTNAMELEN || ! (host_entry = gethostbyname(string))) {
/* Note: < -10000 indicates a host lookup error */
#ifdef PHP_WIN32
PHP_SOCKET_ERROR(php_sock, "Host lookup failed", WSAGetLastError());

1
main/network.c
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@ -27,7 +27,6 @@
#include <errno.h>
#ifdef PHP_WIN32
# include <Ws2tcpip.h>
# include "win32/inet.h"