Wu-ftpd S/key验证缓冲区溢出漏洞 受影响系统:
Washington University wu-ftpd 2.6.1
Washington University wu-ftpd 2.6.0
Washington University wu-ftpd 2.6.2
- Debian Linux 3.0
描述:
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CVE(CAN) ID: CAN-2004-0185
Wu-ftpd是一个基于BSD ftpd的FTP服务器程序,由华盛顿大学维护。
Wu-ftpd处理S/key验证的代码存在缓冲区溢出,远程攻击者可以利用这个漏洞可能以Wu-ftpd进程权限在系统上执行任意指令。
目前没有提供详细漏洞细节。
<*来源:Debian Security Advisory
链接:http://www.debian.org/security/2002/dsa-457
*>
建议:
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厂商补丁:
Debian
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Debian已经为此发布了一个安全公告(DSA-457-1)以及相应补丁:
DSA-457-1:New wu-ftpd packages fix multiple vulnerabilities
链接:http://www.debian.org/security/2002/dsa-457
补丁下载:
Source archives:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4.dsc
Size/MD5 checksum: 607 ced69dc6017f9afd9ea2e993e5570084
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4.diff.gz
Size/MD5 checksum: 100777 399c02a6d064f2aef676fba75db3964a
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2.orig.tar.gz
Size/MD5 checksum: 354784 b3c271f02aadf663b8811d1bff9da3f6
Architecture independent components:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd-academ_2.6.2-3woody4_all.deb
Size/MD5 checksum: 3482 ef0f9788eecfa4290bbcea8e259b48e2
Alpha architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_alpha.deb
Size/MD5 checksum: 291786 5d9f21b554fc210956d2e46e7e817bc8
ARM architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_arm.deb
Size/MD5 checksum: 265480 0820e29ec495c37629c79018bab2d267
Intel IA-32 architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_i386.deb
Size/MD5 checksum: 257234 be096867b80cd54f46e3ce5615886537
Intel IA-64 architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_ia64.deb
Size/MD5 checksum: 321396 9042bd62637c9a38469681de0711e39a
HP Precision architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_hppa.deb
Size/MD5 checksum: 276170 61272ad0cb9bd68cfbe55c1ec68109b1
Motorola 680x0 architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_m68k.deb
Size/MD5 checksum: 249496 54ac511d90b1082fed2528e412ddd913
Big endian MIPS architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_mips.deb
Size/MD5 checksum: 273044 07acbf48ee5b459af762f48df3c8cf81
Little endian MIPS architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_mipsel.deb
Size/MD5 checksum: 273172 ca3dd63e1f9340605cdd1bc71bf70698
PowerPC architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_powerpc.deb
Size/MD5 checksum: 268476 6a8df56549ab599125d5bc627ac0d51d
IBM S/390 architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_s390.deb
Size/MD5 checksum: 263268 aa81a92d47b93214ccbedba1e1871e4e
Sun Sparc architecture:
http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody4_sparc.deb
Size/MD5 checksum: 270514 9f6ddd158ba0cc9bd778ba8dfc3d75db
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