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CVE-2009-2958

UnknownEPSS 10.38%

Last modified

CVE-2009-2958 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 10.38% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
10.38%

95.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ThekelleysDnsmasq<= 2.49
ThekelleysDnsmasq0.4
ThekelleysDnsmasq0.5
ThekelleysDnsmasq0.6
ThekelleysDnsmasq0.7
ThekelleysDnsmasq0.95
ThekelleysDnsmasq0.96
ThekelleysDnsmasq0.98
ThekelleysDnsmasq0.992
ThekelleysDnsmasq0.996
ThekelleysDnsmasq1.0
ThekelleysDnsmasq1.2
ThekelleysDnsmasq1.3
ThekelleysDnsmasq1.4
ThekelleysDnsmasq1.5
ThekelleysDnsmasq1.6
ThekelleysDnsmasq1.7
ThekelleysDnsmasq1.8
ThekelleysDnsmasq1.9
ThekelleysDnsmasq1.10
ThekelleysDnsmasq1.11
ThekelleysDnsmasq1.12
ThekelleysDnsmasq1.13
ThekelleysDnsmasq1.14
ThekelleysDnsmasq1.15
ThekelleysDnsmasq1.16
ThekelleysDnsmasq1.17
ThekelleysDnsmasq1.18
ThekelleysDnsmasq2.0
ThekelleysDnsmasq2.1
ThekelleysDnsmasq2.2
ThekelleysDnsmasq2.3
ThekelleysDnsmasq2.4
ThekelleysDnsmasq2.5
ThekelleysDnsmasq2.6
ThekelleysDnsmasq2.7
ThekelleysDnsmasq2.8
ThekelleysDnsmasq2.9
ThekelleysDnsmasq2.10
ThekelleysDnsmasq2.11
ThekelleysDnsmasq2.12
ThekelleysDnsmasq2.13
ThekelleysDnsmasq2.14
ThekelleysDnsmasq2.15
ThekelleysDnsmasq2.16
ThekelleysDnsmasq2.17
ThekelleysDnsmasq2.18
ThekelleysDnsmasq2.19
ThekelleysDnsmasq2.20
ThekelleysDnsmasq2.21

Showing 50 of 76 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2009-2958?
Severity scoring for CVE-2009-2958 is pending analysis. The EPSS model estimates a 10.38% probability of exploitation in the next 30 days.
How do I fix CVE-2009-2958?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-2958?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST