Purity本地缓冲区溢出漏洞

漏洞信息详情

Purity本地缓冲区溢出漏洞

漏洞简介

purity是一款安装在Debian系统下的游戏程序。
purity存在多个本地缓冲区溢出问题,本地攻击者以利用这些漏洞以game组的权限在系统上执行任意指令。
purity对用户提交的数据缺少正确的缓冲区边界检查,由于purity以game的组ID默认安装,成功利用这个漏洞可导致本地用户权限提升。
<*链接:http://www.debian.org/security/2002/dsa-166
*>

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:

* 暂时去掉Purity的setgid位属性。
厂商补丁:
Debian
——
Debian已经为此发布了一个安全公告(DSA-166-1)以及相应补丁:

DSA-166-1:New purity packages fix potential buffer overflows

链接:http://www.debian.org/security/2002/dsa-166” target=”_blank”>
http://www.debian.org/security/2002/dsa-166

补丁下载:

Source archives:

http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1.dsc” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1.dsc

Size/MD5 checksum: 513 a7a4276a6c694131a5b3bd58703c8c05

http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1.diff.gz” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1.diff.gz

Size/MD5 checksum: 5147 db47d2d1f51b5f8c97bcb93974b7b5cf

http://security.debian.org/pool/updates/main/p/purity/purity_1.orig.tar.gz” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1.orig.tar.gz

Size/MD5 checksum: 22249 19cbbd136a94aae3d175d8ccc963368d

Alpha architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_alpha.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_alpha.deb

Size/MD5 checksum: 29176 f69989e76361e30813eb233aa500b9c6

ARM architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_arm.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_arm.deb

Size/MD5 checksum: 27762 169dce544dcab575cc126800eeabb6ce

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_i386.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_i386.deb

Size/MD5 checksum: 27404 6eb60f91f4cd3730bef018115268c568

Motorola 680×0 architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_m68k.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_m68k.deb

Size/MD5 checksum: 26934 d1337244388c4b5a183b379e34b37fd1

PowerPC architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_powerpc.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_powerpc.deb

Size/MD5 checksum: 27760 140ce3d691acc98c27dd6851972db0e9

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_sparc.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-9.1_sparc.deb

Size/MD5 checksum: 29952 cb2b48e0465b48b89b220feb30818113

Debian GNU/Linux 3.0 alias woody

– ——————————–

Source archives:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2.dsc” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2.dsc

Size/MD5 checksum: 550 8e669427422857640b0531e3566706f9

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2.diff.gz” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2.diff.gz

Size/MD5 checksum: 6171 6901ba40ea0938bab43a893e4f75da8a

http://security.debian.org/pool/updates/main/p/purity/purity_1.orig.tar.gz” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1.orig.tar.gz

Size/MD5 checksum: 22249 19cbbd136a94aae3d175d8ccc963368d

Alpha architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_alpha.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_alpha.deb

Size/MD5 checksum: 28890 ecb67c79c8047cc631cf63d6fcd93996

ARM architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_arm.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_arm.deb

Size/MD5 checksum: 27434 6bb8ed0579e96fcff971086d750937ce

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_i386.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_i386.deb

Size/MD5 checksum: 26906 7ec62b9371253879b93fe6db0ef75945

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_ia64.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_ia64.deb

Size/MD5 checksum: 30694 7c26d3db982acf14a2e8133cf204e164

HP Precision architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_hppa.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_hppa.deb

Size/MD5 checksum: 29234 ceb6569248e96d1fd415de15f8f26370

Motorola 680×0 architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_m68k.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_m68k.deb

Size/MD5 checksum: 26560 4385599f2f16238c4b2628c9a8fc54cc

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_mips.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_mips.deb

Size/MD5 checksum: 27798 e6b360203cd31c13f19d5bc257684f64

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_mipsel.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_mipsel.deb

Size/MD5 checksum: 27756 12bb21c88be3011bfd50045a73361255

PowerPC architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_powerpc.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_powerpc.deb

Size/MD5 checksum: 27306 c782697984b5e8ae83ed16c594d80437

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_s390.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_s390.deb

Size/MD5 checksum: 27624 c370933a2db896857c5fa3bb86a2a2db

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_sparc.deb” target=”_blank”>
http://security.debian.org/pool/updates/main/p/purity/purity_1-14.2_sparc.deb

Size/MD5 checksum: 29980 e48dcb304202e2e29634bd51dbd307a3

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

参考网址

来源: BID
名称: 5702
链接:http://www.securityfocus.com/bid/5702

来源: DEBIAN
名称: DSA-166
链接:http://www.debian.org/security/2002/dsa-166

来源: XF
名称: linux-purity-bo(10100)
链接:http://www.iss.net/security_center/static/10100.php

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