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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-3663
• https://exchange.xforce.ibmcloud.com/vulnerabilities/53205
• http://httpdx.sourceforge.net/downloads/changelog.log
• http://osvdb.org/58129
• http://secunia.com/advisories/36734
• http://www.exploit-db.com/exploits/9657
• http://www.vupen.com/english/advisories/2009/2654