Vulnerability Description
Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read (aka RRQ) request.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Thekelleys | Dnsmasq | <= 2.49 |
Related Weaknesses (CWE)
References
- http://secunia.com/advisories/36563
- http://www.coresecurity.com/content/dnsmasq-vulnerabilitiesPatch
- http://www.redhat.com/support/errata/RHSA-2009-1238.html
- http://www.securityfocus.com/bid/36121Patch
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOGVendor Advisory
- http://www.ubuntu.com/usn/USN-827-1
- https://bugzilla.redhat.com/show_bug.cgi?id=519020
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
- http://secunia.com/advisories/36563
- http://www.coresecurity.com/content/dnsmasq-vulnerabilitiesPatch
- http://www.redhat.com/support/errata/RHSA-2009-1238.html
- http://www.securityfocus.com/bid/36121Patch
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOGVendor Advisory
- http://www.ubuntu.com/usn/USN-827-1
FAQ
What is CVE-2009-2957?
CVE-2009-2957 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TF...
How severe is CVE-2009-2957?
CVE-2009-2957 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-2957?
Check the references section above for vendor advisories and patch information. Affected products include: Thekelleys Dnsmasq.