发布时间 :2000-06-27 00:00:00
修订时间 :2008-09-05 16:21:20

[原文]FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.

[CNNVD]FirstClass Internet Services server拒绝服务漏洞(CNNVD-200006-109)

        FirstClass Internet Services server 5.770和其他6.1之前的版本存在漏洞。远程攻击者通过发送含有超长To:邮件标题的电子邮件导致拒绝服务。

- CVSS (基础分值)

CVSS分值: 5 [中等(MEDIUM)]
机密性影响: NONE [对系统的机密性无影响]
完整性影响: NONE [不会对系统完整性产生影响]
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: [--]
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  firstclass-large-bcc-dos(4843)
(VENDOR_ADVISORY)  BUGTRAQ  20000627 DoS in FirstClass Internet Services 5.770

- 漏洞信息

FirstClass Internet Services server拒绝服务漏洞
中危 未知
2000-06-27 00:00:00 2005-05-02 00:00:00
        FirstClass Internet Services server 5.770和其他6.1之前的版本存在漏洞。远程攻击者通过发送含有超长To:邮件标题的电子邮件导致拒绝服务。

- 公告与补丁


- 漏洞信息 (20052)

Centrinity FirstClass 5.77 0 Intranet Server Long Header Denial of Service Vulnerability (EDBID:20052)
multiple dos
2000-06-27 Verified
0 Adam Prime
N/A [点击下载]

If an E-mail containing an excessively long To: field in the header (~1.5 MB) is processed by First Class Intranet Services (FCIS), a Denial of Service can occur.		

- 漏洞信息

FirstClass Internet Services Email To Overflow
Remote / Network Access Denial of Service, Input Manipulation
Loss of Integrity, Loss of Availability
Exploit Public

- 漏洞描述

A remotely accessible overflow exists in Open Text's FirstClass mail server. The mail server fails to handle large e-mail to: values, resulting in an overflow. With a specially crafted very large request, an attacker can cause a denial of service resulting in a loss of availability.

- 时间线

2000-06-27 Unknow
2000-06-27 Unknow

- 解决方案

Upgrade to version 6.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

- 相关参考

- 漏洞作者