Rlpr msg()函数多个安全漏洞

发布日期：2004-06-19
更新日期：2004-06-30

受影响系统：

rlpr rlpr 2.0 4
rlpr rlpr 2.0 3
rlpr rlpr 2.0 2
rlpr rlpr 2.0 1
rlpr rlpr 2.0

描述：

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BUGTRAQ ID: 10578
CVE(CAN) ID: CVE-2004-0393

rlpr是一款不使用/etc/printcap的lpd打印工具。

rlpr包含的msg()函数存在格式串和缓冲区溢出问题，本地或远程攻击者可以利用这个漏洞以rlprd进程权限执行任意指令。

问题一是msg()调用syslog函数记录时没有进行任何过滤，提交格式串数据可能破坏内存信息。另外msg()函数对输入缺少充分缓冲区边界检查，可导致缓冲区溢出攻击。精心构建提交数据可能以rlprd进程(远程)或者root(本地)权限执行任意指令。

<*来源：Jaguar

链接：http://www.securityfocus.com/advisories/6877
http://marc.theaimsgroup.com/?l=bugtraq&m=108810992313652&w=2
*>

建议：

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厂商补丁：

Debian
------
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：

rlpr rlpr 2.0 2:

Debian Upgrade rlpr_2.02-7woody1_alpha.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_alpha.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_arm.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_arm.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_i386.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_i386.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_ia64.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_ia64.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_hppa.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_hppa.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_m68k.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_m68k.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_mips.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_mips.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_mipsel.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_mipsel.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_powerpc.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_powerpc.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_s390.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_s390.deb
Debian GNU/Linux 3.0 (woody)

Debian Upgrade rlpr_2.02-7woody1_sparc.deb
http://security.debian.org/pool/updates/main/r/rlpr/rlpr_2.02-7woody1_sparc.deb
Debian GNU/Linux 3.0 (woody)

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