Vulnerabilities > CVE-2007-5758 - Improper Restriction of Operations Within the Bounds of A Memory Buffer vulnerability in IBM DB2 Universal Database 8/9.1/9.5

047910
CVSS 6.9 - MEDIUM
Attack vector
LOCAL
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
local
ibm
CWE-119
NVD
Published: 2008-04-16
Updated: 2017-07-29

Summary

Stack-based buffer overflow in db2dasrrm in the DB2 Administration Server (DAS) in IBM DB2 Universal Database 9.5 before Fix Pack 1, 9.1 before Fix Pack 4a, and 8 before FixPak 16 allows local users to execute arbitrary code via a long DASPROF environment variable.

Vulnerable Configurations

Part Description Count
Application
Ibm
3

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Overflow Buffers
    Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
  • Client-side Injection-induced Buffer Overflow
    This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
  • Filter Failure through Buffer Overflow
    In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
  • MIME Conversion
    An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.

Seebug

bulletinFamilyexploit
descriptionBUGTRAQ ID: 27870 CVE(CAN) ID: CVE-2007-5758,CVE-2007-5664 IBM DB2是一个大型的商业关系数据库系统，面向电子商务、商业资讯、内容管理、客户关系管理等应用，可运行于AIX、HP-UX、Linux、Solaris、Windows等系统。 DB2数据库所捆绑的db2dasrrm程序没有充分地验证用户所提供的DASPROF环境变量内容的长度，如果攻击者将该变量设置为特制的字符串的话，就可以在将该字符串拷贝到栈上静态大小缓冲区时触发溢出，导致覆盖栈上所存储的执行控制结构并执行任意指令。如果要利用这个漏洞，攻击者必须能够执行有漏洞的set-uid root db2dasrrm程序。 db2dasrrm程序没有安全的访问文件。当用户启动DAS时，以root权限启动了db2dasrrm进程，在初始化过程中以root用户权限创建了dasRecoveryIndex、dasRecoveryIndex.tmp、dasRecoveryIndex.lock和dasRecoveryIndex.cor文件。如果删除了这些文件并重新创建作为符号链接，攻击者便可能以root用户权限创建任意文件。如果要利用这个漏洞，攻击者必须能够访问允许启动和停止DB2管理服务器的帐号，如dasusr1帐号或可访问db2adm1组的帐号。 IBM DB2 Universal Database 9.1 FixPak 4 IBM DB2 Universal Database 9.1 Fixpak 3 临时解决方法： * 对DB2例程目录使用更严格的权限设置以防止非例程用户访问set-uid root二进制程序。 * 删除DB2所捆绑所有程序的set-uid位。 厂商补丁： IBM --- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： <a href=http://www-1.ibm.com/support/docview.wss?uid=swg21256235 target=_blank>http://www-1.ibm.com/support/docview.wss?uid=swg21256235</a> <a href=http://www-1.ibm.com/support/docview.wss?uid=swg21255572 target=_blank>http://www-1.ibm.com/support/docview.wss?uid=swg21255572</a> <a href=http://www-1.ibm.com/support/docview.wss?uid=swg21287889 target=_blank>http://www-1.ibm.com/support/docview.wss?uid=swg21287889</a>
idSSV:3176
last seen2017-11-19
modified2008-04-17
published2008-04-17
reporterRoot
titleIBM DB2数据库db2dasrrm缓冲区溢出和文件创建漏洞

References