HIGH7.5
Уязвимость реализации протокола DHCPv6 DNS-сервера Dnsmasq, позволяющая нарушителю вызвать отказ в обслуживании
CVSS 3.xHIGH 7.5
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVSS 2.0HIGH 7.8
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:CReferences
Severity:
Closed issues (16)
CRITICAL9.8
Уязвимость функции answer_request компонента fuzz_rfc1035.c DNS-сервера Dnsmasq, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
CVSS 3.xCRITICAL 9.8
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:CReferences
CRITICAL9.8
Уязвимость функции resize_packet компонента fuzz_rfc1035.c DNS-сервера Dnsmasq, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
CVSS 3.xCRITICAL 9.8
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:CReferences
CRITICAL9.8
Уязвимость функции check_bad_address DNS-сервера Dnsmasq, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
CVSS 3.xCRITICAL 9.8
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:CReferences
CRITICAL9.8
Уязвимость функции print_mac DNS-сервера Dnsmasq, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
CVSS 3.xCRITICAL 9.8
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:CReferences
CRITICAL9.8
Уязвимость функции extract_name компонента fuzz_util.c DNS-сервера Dnsmasq, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
CVSS 3.xCRITICAL 9.8
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:CReferences
CRITICAL9.8
Уязвимость функции extract_name DNS-сервера Dnsmasq, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
CVSS 3.xCRITICAL 9.8
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:CReferences
CRITICAL9.8
Уязвимость функции dhcp_reply DNS-сервера Dnsmasq, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
CVSS 3.xCRITICAL 9.8
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:CReferences
CRITICAL9.8
Dnsmasq 2.86 has a heap-based buffer overflow in check_bad_address (called from check_for_bogus_wildcard and FuzzCheckForBogusWildcard). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35868
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-924.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35868
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-924.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
CRITICAL9.8
Dnsmasq 2.86 has a heap-based buffer overflow in dhcp_reply (called from dhcp_packet and FuzzDhcp). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35870
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-927.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35870
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-927.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
CRITICAL9.8
Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from hash_questions and fuzz_util.c). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35858
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-929.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35858
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-929.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
CRITICAL9.8
Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from answer_auth and FuzzAuth). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35861
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-931.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35861
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-931.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
CRITICAL9.8
Dnsmasq 2.86 has a heap-based buffer overflow in resize_packet (called from FuzzResizePacket and fuzz_rfc1035.c) because of the lack of a proper bounds check upon pseudo header re-insertion. NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge." However, a contributor states that a security patch (mentioned in 016162.html) is needed
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35898
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-932.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35898
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-932.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
CRITICAL9.8
Dnsmasq 2.86 has a heap-based buffer overflow in print_mac (called from log_packet and dhcp_reply). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35887
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-933.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35887
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-933.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
CRITICAL9.8
Dnsmasq 2.86 has a heap-based buffer overflow in answer_request (called from FuzzAnswerTheRequest and fuzz_rfc1035.c). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35920
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-935.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35920
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-935.yaml
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
HIGH7.5
A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HReferences
- https://access.redhat.com/security/cve/CVE-2022-0934
- https://bugzilla.redhat.com/show_bug.cgi?id=2057075
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html
- https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39
- https://access.redhat.com/security/cve/CVE-2022-0934
- https://bugzilla.redhat.com/show_bug.cgi?id=2057075
- https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html
- https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39