CVE-2009-2958 describes a denial-of-service vulnerability in dnsmasq versions prior to 2.50, specifically when the TFTP server is enabled. An unauthenticated remote attacker can crash the daemon by sending a crafted TFTP read request containing a malformed blksize option, leading to a NULL pointer dereference. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and partial availability impact, with no confidentiality or integrity impact. While an ExploitDB entry exists for a related heap overflow/null pointer dereference, there is no evidence of active exploitation, Metasploit modules, or significant community discussion surrounding this specific CVE.
| 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:N/I:N/A:P
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.