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.

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