发布日期：2010-01-29
更新日期：2010-02-04

受影响系统：

ProcessOne ejabberd 2.1.2

不受影响系统：

ProcessOne ejabberd 2.1.3

描述：

---

BUGTRAQ  ID: 38003
CVE ID: CVE-2010-0305

ejabberd是高性能的即时消息服务器。

ejabberd的ejabberd_c2s.erl文件中存在拒绝服务漏洞。远程攻击者可以通过发送大量的c2s（也称为client2server）消息触发队列过载，导致服务崩溃。

<*来源：Evgeniy Khramtsov
  
  链接：http://secunia.com/advisories/38337/
        https://support.process-one.net/si/jira.issueviews:issue-html/EJAB-1173/EJAB-1173.html
        http://www.debian.org/security/2010/dsa-2033
*>

建议：

---

厂商补丁：

Debian
------
Debian已经为此发布了一个安全公告（DSA-2033-1）以及相应补丁:
DSA-2033-1：New ejabberd packages fix denial of service
链接：http://www.debian.org/security/2010/dsa-2033

补丁下载：
Source archives:

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2.diff.gz
Size/MD5 checksum:    61649 98dbff6de8d5fd1a613bf2fa2b1b7cbc
http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2.dsc
Size/MD5 checksum:     1388 94c7c65d3a0074a80f7023d3a5bb050b
http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1.orig.tar.gz
Size/MD5 checksum:  1054739 9c9417ab8dc334094ec7a611016c726e

alpha architecture (DEC Alpha)

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_alpha.deb
Size/MD5 checksum:  1185762 0d357d6fcd7a8ee3e0897d36d7991cff

amd64 architecture (AMD x86_64 (AMD64))

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_amd64.deb
Size/MD5 checksum:  1196276 f5c029b837ce386c0eb3b4b4704b6e4e

arm architecture (ARM)

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_arm.deb
Size/MD5 checksum:  1185558 4eb9bf5003262058c6b6d4b190a3f958

armel architecture (ARM EABI)

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_armel.deb
Size/MD5 checksum:  1189252 b18b78168564941d3f5df1da8f23e731

i386 architecture (Intel ia32)

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_i386.deb
Size/MD5 checksum:  1167064 d44c82658e3e4059287f698925912e34

ia64 architecture (Intel ia64)

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_ia64.deb
Size/MD5 checksum:  1208584 7474a055763f796bca37dc0847764e74

mipsel architecture (MIPS (Little Endian))

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_mipsel.deb
Size/MD5 checksum:  1171612 26cc7ff8e3e2f891f5b2c5f9e7d69034

powerpc architecture (PowerPC)

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_powerpc.deb
Size/MD5 checksum:  1201544 a5ec73915a372183bb8876649ed1d66b

s390 architecture (IBM S/390)

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_s390.deb
Size/MD5 checksum:  1199092 3ca94443785ca5c60bf7617a4b30e8ab

sparc architecture (Sun SPARC/UltraSPARC)

http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_sparc.deb
Size/MD5 checksum:  1188116 a2dc6279a2690ce802c4d4b6bd8370aa

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

ProcessOne
----------
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：

https://support.process-one.net/secure/IssueNavigator.jspa?reset=true&mode=hide&sorter/order=ASC&sorter/field=priority&pid=10011&fixfor=10453

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