CVE-2009-2281: Buffer Overflow
Multiple heap-based buffer underflows in the readPostBody function in cgiutil.c in mapserv in MapServer 4.x through 4.10.4 and 5.x before 5.4.2 allow remote attackers to execute arbitrary code via (1) a crafted Content-Length HTTP header or (2) a large HTTP request, related to an integer overflow that triggers a heap-based buffer overflow. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2009-0840.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2009-2281?
CVE-2009-2281 has a severity rating that suggests it can allow remote attackers to execute arbitrary code, indicating a critical risk.
How do I fix CVE-2009-2281?
To fix CVE-2009-2281, upgrade to MapServer version 5.4.2 or later, as these versions have addressed the vulnerability.
What software is affected by CVE-2009-2281?
CVE-2009-2281 affects MapServer versions from 4.0 up to 4.10.4 and also includes certain 5.x versions prior to 5.4.2.
Can CVE-2009-2281 be exploited remotely?
Yes, CVE-2009-2281 can be exploited remotely by attackers using manipulated Content-Length HTTP headers or oversized HTTP requests.
What type of vulnerability is CVE-2009-2281?
CVE-2009-2281 is classified as a heap-based buffer underflow vulnerability.