Vulnerabilities > CVE-2009-3663 - USE of Externally-Controlled Format String vulnerability in Jasper Httpdx 1.4

047910
CVSS 10.0 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
network
low complexity
jasper
CWE-134
critical
exploit available

Summary

Format string vulnerability in the h_readrequest function in http.c in httpdx Web Server 1.4 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via format string specifiers in the Host header.

Vulnerable Configurations

Part Description Count
Application
Jasper
1

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Format String Injection
    An attacker includes formatting characters in a string input field on the target application. Most applications assume that users will provide static text and may respond unpredictably to the presence of formatting character. For example, in certain functions of the C programming languages such as printf, the formatting character %s will print the contents of a memory location expecting this location to identify a string and the formatting character %n prints the number of DWORD written in the memory. An attacker can use this to read or write to memory locations or files, or simply to manipulate the value of the resulting text in unexpected ways. Reading or writing memory may result in program crashes and writing memory could result in the execution of arbitrary code if the attacker can write to the program stack.
  • String Format Overflow in syslog()
    This attack targets the format string vulnerabilities in the syslog() function. An attacker would typically inject malicious input in the format string parameter of the syslog function. This is a common problem, and many public vulnerabilities and associated exploits have been posted.

Exploit-Db

descriptionhttpdx Web Server 1.4 (Host Header) Remote Format String DoS Exploit. CVE-2009-3663. Dos exploit for windows platform
fileexploits/windows/dos/9657.pl
idEDB-ID:9657
last seen2016-02-01
modified2009-09-14
platformwindows
port
published2009-09-14
reporterPankaj Kohli
sourcehttps://www.exploit-db.com/download/9657/
titlehttpdx Web Server 1.4 Host Header Remote Format String DoS Exploit
typedos