Vulnerability Monitor

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CVE-2009-2958


The tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a TFTP read (aka RRQ) request with a malformed blksize option.


Security Impact Summary

CVE-2009-2958 is a security vulnerability that . Impacting 1 product from thekelleys organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.


Published

2009-09-02T15:30:01.467

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application thekelleys dnsmasq ≤ 2.49 Yes
Application thekelleys dnsmasq 0.4 Yes
Application thekelleys dnsmasq 0.5 Yes
Application thekelleys dnsmasq 0.6 Yes
Application thekelleys dnsmasq 0.7 Yes
Application thekelleys dnsmasq 0.95 Yes
Application thekelleys dnsmasq 0.96 Yes
Application thekelleys dnsmasq 0.98 Yes
Application thekelleys dnsmasq 0.992 Yes
Application thekelleys dnsmasq 0.996 Yes
Application thekelleys dnsmasq 1.0 Yes
Application thekelleys dnsmasq 1.2 Yes
Application thekelleys dnsmasq 1.3 Yes
Application thekelleys dnsmasq 1.4 Yes
Application thekelleys dnsmasq 1.5 Yes
Application thekelleys dnsmasq 1.6 Yes
Application thekelleys dnsmasq 1.7 Yes
Application thekelleys dnsmasq 1.8 Yes
Application thekelleys dnsmasq 1.9 Yes
Application thekelleys dnsmasq 1.10 Yes
Application thekelleys dnsmasq 1.11 Yes
Application thekelleys dnsmasq 1.12 Yes
Application thekelleys dnsmasq 1.13 Yes
Application thekelleys dnsmasq 1.14 Yes
Application thekelleys dnsmasq 1.15 Yes
Application thekelleys dnsmasq 1.16 Yes
Application thekelleys dnsmasq 1.17 Yes
Application thekelleys dnsmasq 1.18 Yes
Application thekelleys dnsmasq 2.0 Yes
Application thekelleys dnsmasq 2.1 Yes
Application thekelleys dnsmasq 2.2 Yes
Application thekelleys dnsmasq 2.3 Yes
Application thekelleys dnsmasq 2.4 Yes
Application thekelleys dnsmasq 2.5 Yes
Application thekelleys dnsmasq 2.6 Yes
Application thekelleys dnsmasq 2.7 Yes
Application thekelleys dnsmasq 2.8 Yes
Application thekelleys dnsmasq 2.9 Yes
Application thekelleys dnsmasq 2.10 Yes
Application thekelleys dnsmasq 2.11 Yes
Application thekelleys dnsmasq 2.12 Yes
Application thekelleys dnsmasq 2.13 Yes
Application thekelleys dnsmasq 2.14 Yes
Application thekelleys dnsmasq 2.15 Yes
Application thekelleys dnsmasq 2.16 Yes
Application thekelleys dnsmasq 2.17 Yes
Application thekelleys dnsmasq 2.18 Yes
Application thekelleys dnsmasq 2.19 Yes
Application thekelleys dnsmasq 2.20 Yes
Application thekelleys dnsmasq 2.21 Yes
Application thekelleys dnsmasq 2.22 Yes
Application thekelleys dnsmasq 2.23 Yes
Application thekelleys dnsmasq 2.24 Yes
Application thekelleys dnsmasq 2.25 Yes
Application thekelleys dnsmasq 2.26 Yes
Application thekelleys dnsmasq 2.27 Yes
Application thekelleys dnsmasq 2.28 Yes
Application thekelleys dnsmasq 2.29 Yes
Application thekelleys dnsmasq 2.30 Yes
Application thekelleys dnsmasq 2.31 Yes
Application thekelleys dnsmasq 2.33 Yes
Application thekelleys dnsmasq 2.34 Yes
Application thekelleys dnsmasq 2.35 Yes
Application thekelleys dnsmasq 2.36 Yes
Application thekelleys dnsmasq 2.37 Yes
Application thekelleys dnsmasq 2.38 Yes
Application thekelleys dnsmasq 2.39 Yes
Application thekelleys dnsmasq 2.40 Yes
Application thekelleys dnsmasq 2.41 Yes
Application thekelleys dnsmasq 2.42 Yes
Application thekelleys dnsmasq 2.43 Yes
Application thekelleys dnsmasq 2.44 Yes
Application thekelleys dnsmasq 2.45 Yes
Application thekelleys dnsmasq 2.46 Yes
Application thekelleys dnsmasq 2.47 Yes
Application thekelleys dnsmasq 2.48 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For thekelleys's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.