发布时间 :2004-03-03 00:00:00
修订时间 :2008-09-05 16:37:31

[原文]crawl before 4.0.0 beta23 does not properly "apply a size check" when copying a certain environment variable, which may allow local users to gain privileges, possibly as a result of a buffer overflow.

[CNNVD]Linley Henzell Dungeon Crawl未明本地缓冲区区溢出漏洞(CNNVD-200403-004)

        crawl 4.0.0 beta23之前版本复制某个环境变量时不能准确“申请大小检查”,本地用户可以提升特权,该漏洞可能是缓冲区区溢出的结果。

- CVSS (基础分值)

CVSS分值: 4.6 [中等(MEDIUM)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: PARTIAL [可能会导致系统文件被修改]
可用性影响: PARTIAL [可能会导致性能下降或中断资源访问]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: LOCAL [漏洞利用需要具有物理访问权限或本地帐户]
身份认证: NONE [漏洞利用无需身份认证]

- CPE (受影响的平台与产品)


- OVAL (用于检测的技术细节)


- 官方数据库链接
(官方数据源) MITRE
(官方数据源) NVD
(官方数据源) CNNVD

- 其它链接及资源
(UNKNOWN)  XF  crawl-long-environment-bo(15032)
(UNKNOWN)  BID  9566

- 漏洞信息

Linley Henzell Dungeon Crawl未明本地缓冲区区溢出漏洞
中危 缓冲区溢出
2004-03-03 00:00:00 2006-08-30 00:00:00
        crawl 4.0.0 beta23之前版本复制某个环境变量时不能准确“申请大小检查”,本地用户可以提升特权,该漏洞可能是缓冲区区溢出的结果。

- 公告与补丁

        Debian has released an advisory DSA 432-1 to address this issue. Please see the referenced advisory for more information.
        Linley Henzell Crawl 4.0 BETA 23

- 漏洞信息

Linleys Dungeon Crawl Environment Variable Handling Overflows
Input Manipulation
Loss of Integrity

- 漏洞描述

A local overflow exists in Linley's Dungeon Crawl. The game fails to validate the length of certain environment variables resulting in a buffer overflow. With a specially crafted request, an attacker can cause arbitrary commands as group games to run resulting in a loss of confidentiality, integrity, and/or availability.

- 时间线

2004-02-04 2001-02-03
Unknow Unknow

- 解决方案

If using Debian Linux upgrade to version 4.0.0beta23-2woody1 (stable), 4.0.0beta26-4 (unstable) or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround(s):remove the suid and sgid bits or delete the game from the system.

- 相关参考

- 漏洞作者

Unknown or Incomplete