发布时间 :2001-08-22 00:00:00
修订时间 :2008-09-05 16:24:26

[原文]recon in SCO OpenServer 5.0 through 5.0.6 can allow a local attacker to gain additional privileges via a buffer overflow attack in the first command line argument.

[CNNVD]SCO OpenServer recon权限许可和访问控制漏洞(CNNVD-200108-104)

        SCO OpenServer 5.0至5.0.6版本的recon存在漏洞。本地用户可以借助首命令行参数的缓冲区溢出攻击提升额外特权。

- CVSS (基础分值)

CVSS分值: 7.2 [严重(HIGH)]
机密性影响: COMPLETE [完全的信息泄露导致所有系统文件暴露]
完整性影响: COMPLETE [系统完整性可被完全破坏]
可用性影响: COMPLETE [可能导致系统完全宕机]
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
(VENDOR_ADVISORY)  XF  sco-openserver-recon-bo(6289)
(VENDOR_ADVISORY)  BUGTRAQ  20010327 SCO 5.0.6 issues (recon)
(UNKNOWN)  BUGTRAQ  20010412 SSE072B: SCO OpenServer revision of buffer overflow fixes

- 漏洞信息

SCO OpenServer recon权限许可和访问控制漏洞
高危 缓冲区溢出
2001-08-22 00:00:00 2005-10-20 00:00:00
        SCO OpenServer 5.0至5.0.6版本的recon存在漏洞。本地用户可以借助首命令行参数的缓冲区溢出攻击提升额外特权。

- 公告与补丁


- 漏洞信息 (20742)

SCO Open Server 5.0.6 recon Buffer Overflow Vulnerability (EDBID:20742)
sco dos
2001-03-27 Verified
0 Secure Network Operations
N/A [点击下载]

SCO OpenServer 5.0.6 (and possibly earlier versions) ships with a suid 'bin' executable called 'recon'.

'recon' is used to buffer and forward escape sequences from a user's input to timing-sensitive applications.

'recon' contains a locally exploitable buffer overflow condition present in the handling of command-line parameters.

If properly exploited, this can yield user 'bin' privileges to the attacker. 

/opt/K/SCO/Unix/5.0.6Ga/usr/bin/recon `perl -e 'print "A" x 3000'`

Memory fault - core dumped 		

- 漏洞信息

SCO OpenServer recon First Argument Local Overflow
Local Access Required Input Manipulation
Loss of Integrity

- 漏洞描述

A local overflow exists in OpenServer. The recon command fails to validate user-supplied arguments resulting in a buffer overflow. With a specially crafted request consisting of more than 1315 characters, an attacker can cause arbitrary code execution resulting in a loss of integrity.

- 时间线

2001-03-27 Unknow
Unknow Unknow

- 解决方案

Currently, there are no known workarounds or upgrades to correct this issue. However, SCO has released a patch to address this vulnerability.

- 相关参考

- 漏洞作者