CVE-2003-0518
CVSS4.6
发布时间 :2003-08-18 00:00:00
修订时间 :2008-09-10 15:19:29
NMCOS    

[原文]The screen saver in MacOS X allows users with physical access to cause the screen saver to crash and gain access to the underlying session via a large number of characters in the password field, possibly triggering a buffer overflow.


[CNNVD]Apple Mac OS X屏幕保护密码提示缓冲区溢出漏洞(CNNVD-200308-088)

        
        Mac OS X是一款使用在Mac机器上的操作系统,基于BSD系统。
        Mac OS X的屏幕保护程序对用户提交的密码缺少充分边界缓冲去检查,本地攻击者可以利用这个漏洞触发缓冲区溢出,可未授权访问系统。
        攻击者在屏幕保护密码提示栏中输入超过1368个字符作为密码数据,可导致屏幕保护程序崩溃,攻击者可以未授权访问当前用户登录系统。
        

- 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)

cpe:/o:apple:mac_os_x:10.2Apple Mac OS X 10.2
cpe:/o:apple:mac_os_x:10.2.3Apple Mac OS X 10.2.3
cpe:/o:apple:mac_os_x_server:10.2.1Apple Mac OS X Server 10.2.1
cpe:/o:apple:mac_os_x_server:10.2.6Apple Mac OS X Server 10.2.6
cpe:/o:apple:mac_os_x:10.2.1Apple Mac OS X 10.2.1
cpe:/o:apple:mac_os_x_server:10.2.5Apple Mac OS X Server 10.2.5
cpe:/o:apple:mac_os_x:10.2.5Apple Mac OS X 10.2.5
cpe:/o:apple:mac_os_x:10.2.6Apple Mac OS X 10.2.6
cpe:/o:apple:mac_os_x_server:10.2Apple Mac OS X Server 10.2
cpe:/o:apple:mac_os_x_server:10.2.4Apple Mac OS X Server 10.2.4
cpe:/o:apple:mac_os_x:10.2.2Apple Mac OS X 10.2.2
cpe:/o:apple:mac_os_x_server:10.2.3Apple Mac OS X Server 10.2.3
cpe:/o:apple:mac_os_x_server:10.2.2Apple Mac OS X Server 10.2.2
cpe:/o:apple:mac_os_x:10.2.4Apple Mac OS X 10.2.4

- OVAL (用于检测的技术细节)

未找到相关OVAL定义

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2003-0518
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2003-0518
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200308-088
(官方数据源) CNNVD

- 其它链接及资源

http://archives.neohapsis.com/archives/bugtraq/2003-07/0187.html
(PATCH)  BUGTRAQ  20030715 FIXED: MacOSX - crash screensaver locked with password and get thedesktop back
http://docs.info.apple.com/article.html?artnum=120232
(UNKNOWN)  CONFIRM  http://docs.info.apple.com/article.html?artnum=120232
http://archives.neohapsis.com/archives/bugtraq/2003-07/0034.html
(VENDOR_ADVISORY)  BUGTRAQ  20030704 MacOSX - crash screensaver locked with password and get the desktop back

- 漏洞信息

Apple Mac OS X屏幕保护密码提示缓冲区溢出漏洞
中危 边界条件错误
2003-08-18 00:00:00 2005-10-20 00:00:00
本地  
        
        Mac OS X是一款使用在Mac机器上的操作系统,基于BSD系统。
        Mac OS X的屏幕保护程序对用户提交的密码缺少充分边界缓冲去检查,本地攻击者可以利用这个漏洞触发缓冲区溢出,可未授权访问系统。
        攻击者在屏幕保护密码提示栏中输入超过1368个字符作为密码数据,可导致屏幕保护程序崩溃,攻击者可以未授权访问当前用户登录系统。
        

- 公告与补丁

        厂商补丁:
        Apple
        -----
        目前厂商还没有提供补丁或者升级程序,我们建议使用此软件的用户随时关注厂商的主页以获取最新版本:
        
        http://www.apple.com/macosx/

- 漏洞信息

2264
Apple Mac OS X Screensaver Authentication Password Field Overflow
Physical Access Required Input Manipulation
Loss of Integrity

- 漏洞描述

A local overflow exists in Mac OS X. The screensaver authentication password prompt fails to validate user input resulting in a buffer overflow. By entering an overly long string, an attacker can cause the screensaver to crash and access the desktop as the currently logged-on user, resulting in a loss of integrity.

- 时间线

2003-07-04 2003-05-01
Unknow Unknow

- 解决方案

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

- 相关参考

- 漏洞作者

- 漏洞信息

Apple Mac OS X Screen Effects Password Prompt Buffer Overflow Vulnerability
Boundary Condition Error 8106
No Yes
2003-07-04 12:00:00 2009-07-11 10:56:00
Discovery of this issue credited to Delfim Machado <bipbip@xpto.org>.

- 受影响的程序版本

Apple Mac OS X Server 10.2.6
Apple Mac OS X Server 10.2.5
Apple Mac OS X Server 10.2.4
Apple Mac OS X Server 10.2.3
Apple Mac OS X Server 10.2.2
Apple Mac OS X Server 10.2.1
Apple Mac OS X Server 10.2
Apple Mac OS X 10.2.6
Apple Mac OS X 10.2.5
Apple Mac OS X 10.2.4
Apple Mac OS X 10.2.3
Apple Mac OS X 10.2.2
Apple Mac OS X 10.2.1
Apple Mac OS X 10.2

- 漏洞讨论

Apple Mac OS X has a screen saver, entitled Screen Effects, with a password feature. A buffer overflow vulnerability has been reported for the screen saver that may result in an attacker obtaining access to the vulnerable system.

An attacker can exploit this vulnerability by inputting many characters into the password field prompt and sending it to the vulnerable screen saver which will and enable the attacker to access the vulnerable system as the currently logged on user.

** Reports suggest that an attacker supplying an overly long password consisting of about 1368 characters will cause the screen saver to crash.

- 漏洞利用

There is no exploit required.

- 解决方案

Apple has released Security Update2003-07-14 to address this issue. This update may be downloaded and applied manually or obtained via the Software Update pane in System Preferences.


Apple Mac OS X Server 10.2.6

Apple Mac OS X 10.2.6

- 相关参考

 

 

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