发布时间 :2005-05-02 00:00:00
修订时间 :2010-08-21 00:25:27

[原文]Heap-based buffer overflow in less in Red Hat Enterprise Linux 3 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file, as demonstrated using the UTF-8 locale.

[CNNVD]RedHat Linux Less 缓冲区溢出漏洞(CNNVD-200505-561)

        Red Hat Enterprise Linux 3内的less存在栈缓冲区溢出,攻击者可以通过特制文件,发起拒绝服务攻击(应用程序崩溃)或可能执行任意代码。如使用UTF-8区域设置。

- CVSS (基础分值)

CVSS分值: 7.5 [严重(HIGH)]
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: [--]
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)

cpe:/o:redhat:enterprise_linux_desktop:3.0Red Hat Desktop 3.0

- OVAL (用于检测的技术细节)

oval:org.mitre.oval:def:11027Buffer overflow in the slc_add_reply function in various BSD-based Telnet clients, when handling LINEMODE suboptions, allows remote attacker...

- 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  less-file-bo(19131)

- 漏洞信息

RedHat Linux Less 缓冲区溢出漏洞
高危 缓冲区溢出
2005-05-02 00:00:00 2005-10-20 00:00:00
        Red Hat Enterprise Linux 3内的less存在栈缓冲区溢出,攻击者可以通过特制文件,发起拒绝服务攻击(应用程序崩溃)或可能执行任意代码。如使用UTF-8区域设置。

- 公告与补丁

        RedHat Linux 9.0 i386
        Fedora Legacy less-378-7.2.legacy.i386.rpm

- 漏洞信息

less UTF-8 File Overflow
Input Manipulation
Loss of Integrity

- 漏洞描述

Unknown or Incomplete

- 时间线

2005-01-26 Unknow
Unknow Unknow

- 解决方案

Unknown or Incomplete

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

RedHat Linux Less Remote Buffer Overflow Vulnerability
Boundary Condition Error 12753
Yes No
2005-03-08 12:00:00 2009-07-12 10:56:00
Victor Ashik is credited with the discovery of this issue.

- 受影响的程序版本

RedHat Linux 9.0 i386

- 漏洞讨论

A remote, client-side buffer overflow vulnerability affects RedHat Linux less. This issue is due to a failure of the application to securely copy file data into finite process buffers.

An attacker may leverage this issue to execute arbitrary code with the privileges of an unsuspecting user.

- 漏洞利用

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: <>.

- 解决方案

Fedora Legacy has released advisory FLSA:2404 dealing with this issue. Please see the referenced advisory for more information.

RedHat Linux 9.0 i386

- 相关参考