漏洞信息详情
Squid Cache FTP代理URL缓冲区溢出漏洞
- CNNVD编号:CNNVD-200203-014
- 危害等级: 超危
- CVE编号: CVE-2002-0068
- 漏洞类型: 边界条件错误
- 发布时间: 2002-02-21
- 威胁类型: 远程
- 更新时间: 2005-05-02
- 厂 商: squid
- 漏洞来源: Jouko Pynnonen※ jo...
漏洞简介
Squid是一个运行于Linux/Unix系统下的Web服务代理程序。 Squid FTP代理程序在处理FTP URL时存在缓冲区溢出问题,远程攻击者可能利用这个漏洞对服务器程序实施拒绝服务攻击。 通过发送一个特别构造的ftp:// URL给Squid服务器程序,可能导致服务器程序崩溃,需要手工重启才能恢复功能。这个漏洞也有可能导致在服务器上以Squid进程的身份执行任意指令。
漏洞公告
临时解决方法: 如果您不能立刻安装补丁或者升级,CNNVD建议您采取以下措施以降低威胁:
* 拒绝Squid代理匿名ftp服务,在squid.conf文件的前面加入如下两行:
acl non-anonymous-ftp url_regex -i ^ftp://[^/@]*@
http_access deny non-anonymous-ftp 厂商补丁: Conectiva --------- Conectiva已经为此发布了一个安全公告(CLA-2002:464)以及相应补丁:
CLA-2002:464:squid
链接:
补丁下载:
ftp://atualizacoes.conectiva.com.br/5.0/SRPMS/squid-2.3.5-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/squid-2.3.5-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/SRPMS/squid-2.3.5-1U51_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/squid-2.3.5-1U51_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/squid-2.3.5-1U60_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/squid-2.3.5-1U60_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/squid-2.4.1-4U70_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/squid-templates-2.4.1-4U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/squid-doc-2.4.1-4U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/squid-auth-2.4.1-4U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/squid-2.4.1-4U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/SRPMS/squid-2.3.5-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/squid-2.3.5-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/SRPMS/squid-2.3.5-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/squid-2.3.5-1U50_1cl.i386.rpm FreeBSD ------- FreeBSD已经为此发布了一个安全公告(FreeBSD-SA-02:12)以及相应补丁:
FreeBSD-SA-02:12:multiple security vulnerabilities in squid port
链接:ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:12.squid.asc
补丁下载:
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/www/squid-2.4_8.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/www/squid-2.4_8.tgz MandrakeSoft ------------ MandrakeSoft已经为此发布了一个安全公告(MDKSA-2002:016-1)以及相应补丁:
MDKSA-2002:016-1:squid
链接: http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-016-1.php3
补丁下载:
_______________________________________________________________________
Updated Packages:
Linux-Mandrake 7.1:
60bb70afa95f2b43727bc8c9794fb0f9 7.1/RPMS/squid-2.4.STABLE4-1.5mdk.i586.rpm
a46c4bf51883fcfee529de2812f55458 7.1/SRPMS/squid-2.4.STABLE4-1.5mdk.src.rpm
Linux-Mandrake 7.2:
0c3cfdf038650a8c85e703c8859df8d7 7.2/RPMS/squid-2.4.STABLE4-1.5mdk.i586.rpm
a46c4bf51883fcfee529de2812f55458 7.2/SRPMS/squid-2.4.STABLE4-1.5mdk.src.rpm
Mandrake Linux 8.0:
174eaf577cfde553ee0b8eb301792cba 8.0/RPMS/squid-2.4.STABLE4-1.6mdk.i586.rpm
e1d0df4fe930669e3ba12b90caefeca3 8.0/SRPMS/squid-2.4.STABLE4-1.6mdk.src.rpm
Mandrake Linux 8.0/ppc:
375ecbfec5947e9f47be3ada5084fc88 ppc/8.0/RPMS/squid-2.4.STABLE4-1.6mdk.ppc.rpm
e1d0df4fe930669e3ba12b90caefeca3 ppc/8.0/SRPMS/squid-2.4.STABLE4-1.6mdk.src.rpm
Corporate Server 1.0.1:
60bb70afa95f2b43727bc8c9794fb0f9 1.0.1/RPMS/squid-2.4.STABLE4-1.5mdk.i586.rpm
a46c4bf51883fcfee529de2812f55458 1.0.1/SRPMS/squid-2.4.STABLE4-1.5mdk.src.rpm
Single Network Firewall 7.2:
0c3cfdf038650a8c85e703c8859df8d7 snf7.2/RPMS/squid-2.4.STABLE4-1.5mdk.i586.rpm
a46c4bf51883fcfee529de2812f55458 snf7.2/SRPMS/squid-2.4.STABLE4-1.5mdk.src.rpm
________________________________________________________________________
上述升级软件可以在下列地址中的任意一个镜像ftp服务器上下载:
http://www.mandrakesecure.net/en/ftp.php RedHat ------ RedHat已经为此发布了一个安全公告(RHSA-2002:029-09)以及相应补丁:
RHSA-2002:029-09:New squid packages available
链接:https://www.redhat.com/support/errata/RHSA-2002-029.HTML
补丁下载:
Red Hat Linux 6.2:
SRPMS:
ftp://updates.redhat.com/6.2/en/os/SRPMS/squid-2.4.STABLE3-1.6.2.src.rpm
alpha:
ftp://updates.redhat.com/6.2/en/os/alpha/squid-2.4.STABLE3-1.6.2.alpha.rpm
i386:
ftp://updates.redhat.com/6.2/en/os/i386/squid-2.4.STABLE3-1.6.2.i386.rpm
sparc:
ftp://updates.redhat.com/6.2/en/os/sparc/squid-2.4.STABLE3-1.6.2.sparc.rpm
Red Hat Linux 7.0:
SRPMS:
ftp://updates.redhat.com/7.0/en/os/SRPMS/squid-2.4.STABLE3-1.7.0.src.rpm
alpha:
ftp://updates.redhat.com/7.0/en/os/alpha/squid-2.4.STABLE3-1.7.0.alpha.rpm
i386:
ftp://updates.redhat.com/7.0/en/os/i386/squid-2.4.STABLE3-1.7.0.i386.rpm
Red Hat Linux 7.1:
SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/squid-2.4.STABLE3-1.7.1.src.rpm
alpha:
ftp://updates.redhat.com/7.1/en/os/alpha/squid-2.4.STABLE3-1.7.1.alpha.rpm
i386:
ftp://updates.redhat.com/7.1/en/os/i386/squid-2.4.STABLE3-1.7.1.i386.rpm
ia64:
ftp://updates.redhat.com/7.1/en/os/ia64/squid-2.4.STABLE3-1
参考网址
来源: REDHAT 名称: RHSA-2002:029 链接:http://www.redhat.com/support/errata/RHSA-2002-029.HTML 来源: www.squid-cache.org 链接:http://www.squid-cache.org/Versions/v2/2.4/bugs/ 来源: BID 名称: 4148 链接:http://www.securityfocus.com/bid/4148 来源: OSVDB 名称: 5378 链接:http://www.osvdb.org/5378 来源: SUSE 名称: SuSE-SA:2002:008 链接:http://www.novell.com/linux/security/advisories/2002_008_squid_txt.HTML 来源: MANDRAKE 名称: MDKSA-2002:016 链接:http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-016.php 来源: XF 名称: squid-ftpbuildtitleurl-bo(8258) 链接:http://www.iss.net/security_center/static/8258.php 来源: CALDERA 名称: CSSA-2002-010.0 链接:http://www.caldera.com/support/security/advisories/CSSA-2002-010.0.txt 来源: BUGTRAQ 名称: 20020222 TSLSA-2002-0031 - squid 链接:http://marc.theaimsgroup.com/?l=bugtraq&m=101443252627021&w=2 来源: BUGTRAQ 名称: 20020222 Squid buffer overflow 链接:http://marc.theaimsgroup.com/?l=bugtraq&m=101440163111826&w=2 来源: BUGTRAQ 名称: 20020221 Squid HTTP Proxy Security Update Advisory 2002:1 链接:http://marc.theaimsgroup.com/?l=bugtraq&m=101431040422095&w=2 来源: CONECTIVA 名称: CLA-2002:464 链接:http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000464 来源: CALDERA 名称: CSSA-2002-SCO.7 链接:http://archives.neohapsis.com/archives/linux/caldera/2002-q1/0014.HTML 来源: FREEBSD 名称: FreeBSD-SA-02:12 链接:ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:12.squid.asc
受影响实体
- Squid Squid:2.4_stable_3
补丁
暂无
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