发布日期：2005-11-07
更新日期：2005-11-08

受影响系统：

Acme thttpd 2.23b1
Acme thttpd 2.21b
Debian Linux 3.1
Debian Linux 3.0

描述：

---

BUGTRAQ  ID: 15320

thttpd是小型的可移植HTTP server。

thttpd的syslogtocern脚本以不安全的方式使用临时文件，这可能允许本地攻击者创建符号链接攻击，覆盖任意文件。这种攻击最可能的后果是拒绝服务。

<*来源：Javier Fernández-Sanguino Pe&ntilde;a
  
  链接：http://www.debian.org/security/2005/dsa-883
*>

建议：

---

厂商补丁：

Debian
------
Debian已经为此发布了一个安全公告（DSA-883-1）以及相应补丁:
DSA-883-1：New thttpd packages fix insecure temporary file
链接：http://www.debian.org/security/2005/dsa-883

补丁下载：

Source archives:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3.dsc
Size/MD5 checksum:      545 ba3c0bb15f6212db97bcf6d6524d4780
http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3.diff.gz
Size/MD5 checksum:    12672 47c8093a645102ea2f328455195e763c
http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b.orig.tar.gz
Size/MD5 checksum:   127157 9c1512664cf70c286331243ab622173e

Alpha architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_alpha.deb
Size/MD5 checksum:    67624 465efe17c6bf662b1b191b91c8cd8491
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_alpha.deb
Size/MD5 checksum:    27940 3830272b2dae0993fa96b4bb014feb09

ARM architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_arm.deb
Size/MD5 checksum:    54272 fd2de8fb819e11c5a0a91ad4546d3b07
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_arm.deb
Size/MD5 checksum:    23384 9a02e239a4d792547e088b2e7047d08a

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_i386.deb
Size/MD5 checksum:    51996 5c6c5f4bda6ecf89c095595ae7d47e0a
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_i386.deb
Size/MD5 checksum:    23732 b86b4669f89ea162f965430181004097

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_ia64.deb
Size/MD5 checksum:    78060 ae4c37cfeb4bb00aabe86fb53ac8d320
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_ia64.deb
Size/MD5 checksum:    29732 3f7102053a50f0c67edc8d566e3707e8

HP Precision architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_hppa.deb
Size/MD5 checksum:    59244 1b007a6734c854b6a313e3a48c59b5d3
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_hppa.deb
Size/MD5 checksum:    25618 1c4087f8fa972c8ec9364fb422b1f399

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_m68k.deb
Size/MD5 checksum:    49632 f1cc7d708bbcf9fc34fe5382b8370bd3
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_m68k.deb
Size/MD5 checksum:    23386 4b6af55203f640969e0ca8fadd3ebf7d

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_mips.deb
Size/MD5 checksum:    58302 e6c7222513bd7b96a09fb53f16447552
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_mips.deb
Size/MD5 checksum:    24670 2f575c075a755b452ee27749cab8e72d

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_mipsel.deb
Size/MD5 checksum:    58424 af4447af28817c182ffe85b2f1ddbaa4
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_mipsel.deb
Size/MD5 checksum:    24744 9b7b47b0e29e90a4805edfb960912db5

PowerPC architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_powerpc.deb
Size/MD5 checksum:    56558 cd91f39ec6a4b76377fb62f93eb31f8d
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_powerpc.deb
Size/MD5 checksum:    23992 7d582bab26cb31d3b9b109008cc5d493

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_s390.deb
Size/MD5 checksum:    54762 72de109e9fd79a02ea9de27619a26923
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_s390.deb
Size/MD5 checksum:    24536 6bd0b8d4676a15c349905b0b70bb7c65

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.21b-11.3_sparc.deb
Size/MD5 checksum:    58326 5e288c30abd19e26ed1121585e83c52c
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.21b-11.3_sparc.deb
Size/MD5 checksum:    30104 dc9d39c3a3aa44f7cb120f1ab4fddc19


Debian GNU/Linux 3.1 alias sarge
- --------------------------------

Source archives:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1.dsc
Size/MD5 checksum:      614 290db913568006f555f67c0529f2ad7c
http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1.diff.gz
Size/MD5 checksum:    14109 d0598767e42a34ad05c9df1c3962b140
http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1.orig.tar.gz
Size/MD5 checksum:   128712 d3d91f6596f53d5e2b27cea8607d5bba

Alpha architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_alpha.deb
Size/MD5 checksum:    59240 f6854853b290fe2ce1a925cbbea3856a
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_alpha.deb
Size/MD5 checksum:    27978 6b4680363644b459e0e47222985f749f

AMD64 architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_amd64.deb
Size/MD5 checksum:    56034 9848065d7700f2f6e0a036ee76e8fcf7
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_amd64.deb
Size/MD5 checksum:    26456 befb78e032aa654e5fcfcc7c9fdff21b

ARM architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_arm.deb
Size/MD5 checksum:    53198 6a9c1e8afaa60a7b4b7787729dd97b9b
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_arm.deb
Size/MD5 checksum:    24610 f35f8b0a749694fea536296d2a41e1f0

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_i386.deb
Size/MD5 checksum:    51494 eeb422504ed7247f4bbfd5ed27a89bac
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_i386.deb
Size/MD5 checksum:    24638 85147190249ea9d69c16d8f1dfdfb42e

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_ia64.deb
Size/MD5 checksum:    71954 924db7bf3beb5ce3c0e5018759aef3d6
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_ia64.deb
Size/MD5 checksum:    30276 530abc02e3c392a91bff06fe1d8ce7af

HP Precision architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_hppa.deb
Size/MD5 checksum:    57374 4755b42efc9a48b59b1e745862e01098
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_hppa.deb
Size/MD5 checksum:    26912 557472d5a3e182b86999baa0b89846ba

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_m68k.deb
Size/MD5 checksum:    50132 bcb24b62afb868c5e04b8c1db66e6cc3
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_m68k.deb
Size/MD5 checksum:    24756 4b30d87639b3d6b7ca58537cf16c6953

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_mips.deb
Size/MD5 checksum:    57044 410e480e061a3876b7ff01beaffb571e
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_mips.deb
Size/MD5 checksum:    30980 2cda342ba6a04fdbe0a938359eeff813

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_mipsel.deb
Size/MD5 checksum:    57112 fe0268048af2940619a9380d7cd83626
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_mipsel.deb
Size/MD5 checksum:    31126 64e73613ca88afa3fd379b657c80a414

PowerPC architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_powerpc.deb
Size/MD5 checksum:    53442 58c39568158a4c3da81efcaf6a0ab838
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_powerpc.deb
Size/MD5 checksum:    25160 a5ff28da9df6080438012db8014b0212

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_s390.deb
Size/MD5 checksum:    56214 f39998665c2df9236d2902120eb977f9
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_s390.deb
Size/MD5 checksum:    26268 34e822b698803e3e0139430aea707f55

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge1_sparc.deb
Size/MD5 checksum:    53298 a8dcaf92cb41b607618b4a271927c250
http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge1_sparc.deb
Size/MD5 checksum:    24718 54c4e9dac68c9b8472dc92fe6966f6e4

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

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