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Dnsmasq <= 2.86 Multiple Vulnerabilities
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Dnsmasq is prone to multiple vulnerabilities.
Insight
Insight
The following flaws exist: - CVE-2021-45951: Heap-based buffer overflow in check_bad_address - CVE-2021-45952: Heap-based buffer overflow in dhcp_reply - CVE-2021-45953: Heap-based buffer overflow in extract_name - CVE-2021-45954: Heap-based buffer overflow in extract_name - CVE-2021-45955: Heap-based buffer overflow in resize_packet - CVE-2021-45956: Heap-based buffer overflow in print_mac - CVE-2021-45957: Heap-based buffer overflow in answer_request
Affected Software
Affected Software
Dnsmasq version 2.86 and prior.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
No known solution is available as of 11th January, 2022. Information regarding this issue will be updated once solution details are available.
Common Vulnerabilities and Exposures (CVE)
References
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2