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首页 / 操作系统 / Linux / nginx ngx_http_process_request_headers()函数空指针引用拒绝服务漏洞

发布日期:2009-10-27
更新日期:2009-11-25受影响系统:
Igor Sysoev nginx 0.8.x
Igor Sysoev nginx 0.7.x
Igor Sysoev nginx 0.6.x
Igor Sysoev nginx 0.5.x
Igor Sysoev nginx 0.4.x
不受影响系统:
Igor Sysoev nginx 0.8.14
Igor Sysoev nginx 0.7.62
Igor Sysoev nginx 0.6.39
Igor Sysoev nginx 0.5.38
描述:
--------------------------------------------------------------------------------
BUGTRAQ  ID: 36839
CVE(CAN) ID: CVE-2009-3896nginx是多平台的HTTP服务器和邮件代理服务器。 nginx服务器的src/http/ngx_http_parse.c文件的ngx_http_process_request_headers()函数中存在空指针引用错误,远程攻击者可以通过超长的URI来触发这个漏洞,导致worker进程崩溃。<*来源:Jasson Bell (zeuspenguin@gmail.com)
 
  链接:https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=539565
        http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=552035
        http://www.debian.org/security/2009/dsa-1920
*>测试方法:
--------------------------------------------------------------------------------警 告以下程序(方法)可能带有攻击性,仅供安全研究与教学之用。使用者风险自负!http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=552035建议:
--------------------------------------------------------------------------------
厂商补丁:Debian
------
Debian已经为此发布了一个安全公告(DSA-1920-1)以及相应补丁:
DSA-1920-1:New nginx packages fix denial of service
链接:http://www.debian.org/security/2009/dsa-1920补丁下载:Source archives:http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13.orig.tar.gz
Size/MD5 checksum:   436610 d385a1e7a23020d421531818d5606b5b
http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3.dsc
Size/MD5 checksum:      611 c4e1baf967a3dbb19a28bf2da8c32fdb
http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3.diff.gz
Size/MD5 checksum:     6822 794447a883501912bf6f448b9a561293alpha architecture (DEC Alpha)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_alpha.deb
Size/MD5 checksum:   211432 14edf103968d05ed6b3f0149e790881camd64 architecture (AMD x86_64 (AMD64))http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_amd64.deb
Size/MD5 checksum:   196040 70ac342b4cf946ad70d9914c5bc54d38arm architecture (ARM)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_arm.deb
Size/MD5 checksum:   187230 0caef4e2898e11690a49eb45a539ad37hppa architecture (HP PA RISC)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_hppa.deb
Size/MD5 checksum:   205304 05e92ede05223ee00832a7fa22f8712fi386 architecture (Intel ia32)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_i386.deb
Size/MD5 checksum:   184404 764b3c087859dcf45d888fe6c7f55176ia64 architecture (Intel ia64)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_ia64.deb
Size/MD5 checksum:   278594 4ae16a2fe0a790a1eb567aa2a2c909eamips architecture (MIPS (Big Endian))http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_mips.deb
Size/MD5 checksum:   208380 a7408a0c1f14f235aec3c9f3a12d5694mipsel architecture (MIPS (Little Endian))http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_mipsel.deb
Size/MD5 checksum:   207790 67255cb5b5848c714921d0a44abd449dpowerpc architecture (PowerPC)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_powerpc.deb
Size/MD5 checksum:   186666 a0a0505d498f51d2a63e615e8e3e8fe7s390 architecture (IBM S/390)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_s390.deb
Size/MD5 checksum:   199838 b0d4f3cc9878b0280a8e56a0bd29bd53sparc architecture (Sun SPARC/UltraSPARC)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.4.13-2+etch3_sparc.deb
Size/MD5 checksum:   185332 9fdd4b7725b4060a311d7f35f9266cfb
Debian GNU/Linux 5.0 alias lenny
- --------------------------------Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64,
mips, mipsel, powerpc, s390 and sparc.Source archives:http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32.orig.tar.gz
Size/MD5 checksum:   522183 c09a2ace3c91f45dabbb608b11e48ed1
http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3.dsc
Size/MD5 checksum:     1231 0acea5f6912c80de2c6b54b16c7f008b
http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3.diff.gz
Size/MD5 checksum:    10814 a5c652551a6457c8ead36578a5ba59bbalpha architecture (DEC Alpha)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_alpha.deb
Size/MD5 checksum:   297934 72777a5e04e324eef3f97d93623a4559amd64 architecture (AMD x86_64 (AMD64))http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_amd64.deb
Size/MD5 checksum:   268654 8ba00b9fa72c1b6d92ba1f4af5b95e2darm architecture (ARM)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_arm.deb
Size/MD5 checksum:   252062 7de60e3654a0aff273d3340dd46e2cdaarmel architecture (ARM EABI)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_armel.deb
Size/MD5 checksum:   252764 f0ba676c131f1fc992e27cf1c50440d7hppa architecture (HP PA RISC)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_hppa.deb
Size/MD5 checksum:   282454 7d9299fcc9ca9201905790eea2357527i386 architecture (Intel ia32)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_i386.deb
Size/MD5 checksum:   255294 c7e061bcc8d9272abd91c522e01e05ddia64 architecture (Intel ia64)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_ia64.deb
Size/MD5 checksum:   420106 3356229c7f62e64c19dd3c3853cb7a87mips architecture (MIPS (Big Endian))http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_mips.deb
Size/MD5 checksum:   283362 9c97f75512a4665c60e20f8fcfff6556mipsel architecture (MIPS (Little Endian))http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_mipsel.deb
Size/MD5 checksum:   283598 2ebafc8e613da6d28f09d91e1287055cpowerpc architecture (PowerPC)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_powerpc.deb
Size/MD5 checksum:   276188 9c4e725628b775d77aa3a5ccce16063as390 architecture (IBM S/390)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_s390.deb
Size/MD5 checksum:   274074 1bbc736cc9651bfd041042b29096bdfasparc architecture (Sun SPARC/UltraSPARC)http://security.debian.org/pool/updates/main/n/nginx/nginx_0.6.32-3+lenny3_sparc.deb
Size/MD5 checksum:   256738 eca03da76437d58f898a60c9cb5930d7补丁安装方法:1. 手工安装补丁包:  首先,使用下面的命令来下载补丁软件:
  # wget url  (url是补丁下载链接地址)  然后,使用下面的命令来安装补丁: 
  # dpkg -i file.deb (file是相应的补丁名)2. 使用apt-get自动安装补丁包:   首先,使用下面的命令更新内部数据库:
   # apt-get update
  
   然后,使用下面的命令安装更新软件包:
   # apt-get upgrade袁萌:肉鸡电脑与冲浪宝(Live USB)McAfee警告熊猫烧香病毒或卷土重来相关资讯      漏洞  Nginx 
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