CVE-2009-2957 describes a heap-based buffer overflow in dnsmasq versions prior to 2.50, specifically within the tftp_request function when TFTP is enabled. This vulnerability allows remote attackers to potentially execute arbitrary code by sending a crafted TFTP packet with an overly long filename. The CVSS score of 6.8 indicates a medium severity, with a network attack vector, medium attack complexity, and potential for partial impact on confidentiality, integrity, and availability. While not listed on the KEV catalog, exploit code is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.49CPE matchmatch criteria | cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* | ||
0.4CPE matchmatch criteria | cpe:2.3:a:thekelleys:dnsmasq:0.4:*:*:*:*:*:*:* | ||
0.5CPE matchmatch criteria | cpe:2.3:a:thekelleys:dnsmasq:0.5:*:*:*:*:*:*:* | ||
0.6CPE matchmatch criteria | cpe:2.3:a:thekelleys:dnsmasq:0.6:*:*:*:*:*:*:* | ||
0.7CPE matchmatch criteria | cpe:2.3:a:thekelleys:dnsmasq:0.7:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P
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