Hybserv2 :help命令远程拒绝服务漏洞

来源:岁月联盟 编辑:zhuzhu 时间:2010-02-08
Hybserv2 :help命令远程拒绝服务漏洞 影响版本:
Hybserv2 Hybserv2 1.9.4
Hybserv2 Hybserv2 1.9.3
Hybserv2 Hybserv2 1.9.2漏洞描述:
BUGTRAQ  ID: 38006
CVE ID: CVE-2010-0303

Hybserv2是改进版的Hybserv IRC服务器,可提供即时会话服务。

Hybserv2的mystring.c文件中存在拒绝服务漏洞,远程用户可以通过向MemoServ服务发送包含有help /t选项的私人消息导致守护程序崩溃。<*参考 
Julien Cristau (jcristau@debian.org)
http://secunia.com/advisories/38352
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389
http://www.debian.org/security/2010/dsa-1982
*>
SEBUG安全建议:
厂商补丁:

Debian
------
Debian已经为此发布了一个安全公告(DSA-1982-1)以及相应补丁:
DSA-1982-1:New hybserv packages fix denial of service
链接:http://www.debian.org/security/2010/dsa-1982

补丁下载:

Source archives:

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2.orig.tar.gz
Size/MD5 checksum:   418829 b0ebd0027c2b858ef8db6f06ac0d284b
http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.dsc
Size/MD5 checksum:     1000 1e53e47576f3165f8dff86114b5fbf9d
http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.diff.gz
Size/MD5 checksum:    12958 5af569d594f3208c96a3e02ee84ec4ba

alpha architecture (DEC Alpha)

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2_alpha.deb
Size/MD5 checksum:   237022 019c98668edd92146beb14cafe275e1d

amd64 architecture (AMD x86_64 (AMD64))

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2_amd64.deb
Size/MD5 checksum:   231134 19d0a065dce4f37dba188c114d0d9a23

arm architecture (ARM)

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2_arm.deb
Size/MD5 checksum:   212804 71c8f8d108effc0576f58cd4f4397d9a

hppa architecture (HP PA RISC)

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2_hppa.deb
Size/MD5 checksum:   233400 ec2a527b697dcf1be0c80b3a2622fa42

i386 architecture (Intel ia32)

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2_i386.deb
Size/MD5 checksum:   210102 3e6afd1df128671cf09fb5ccc0ad475b

ia64 architecture (Intel ia64)

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2_ia64.deb
Size/MD5 checksum:   308362 57b37a7aad8fbdcf803086dc4284798c

mipsel architecture (MIPS (Little Endian))

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2_mipsel.deb
Size/MD5 checksum:   227240 159f0509fdf4bb3287cdbb4d3fe6415a

powerpc architecture (PowerPC)

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2_powerpc.deb
Size/MD5 checksum:   229634 88cdd43d25c11741f33700518a13e16b

s390 architecture (IBM S/390)

http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2_s390.deb
Size/MD5 checksum:   222108 92f96bb22103eac2d1a0f6787329f95f

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