Dnsmasq print_mac function Data Compromise

The vulnerability of the printmac function in the Dnsmasq DNS server is related to writing beyond the buffer boundaries. Exploiting this vulnerability can allow a remote attacker to access confidential data, compromise its integrity, and cause service failures...

OSV-2022-145 Heap-buffer-overflow in print_mac

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44581 Crash type: Heap-buffer-overflow WRITE 4 Crash state: printmac logpacket dhcpreply...

dnsmasq:fuzz_dhcp: Heap-buffer-overflow in print_mac

Detailed Report: https://oss-fuzz.com/testcase?key=5769815149641728 Project: dnsmasq Fuzzing Engine: honggfuzz Fuzz Target: fuzzdhcp Job Type: honggfuzzasandnsmasq Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 4 Crash Address: 0x6070000000dc Crash State: printmac logpacket dhcpreply...

CVE-2021-45956

Dnsmasq 2.86 has a heap-based buffer overflow in printmac called from logpacket and dhcpreply. 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...

OSV-2022-12 Heap-buffer-overflow in print_mac

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43304 Crash type: Heap-buffer-overflow WRITE 4 Crash state: printmac logpacket dhcpreply...

dnsmasq:fuzz_dhcp: Heap-buffer-overflow in print_mac

Detailed Report: https://oss-fuzz.com/testcase?key=6472936406515712 Project: dnsmasq Fuzzing Engine: libFuzzer Fuzz Target: fuzzdhcp Job Type: libfuzzerasandnsmasq Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 4 Crash Address: 0x60700000006c Crash State: printmac logpacket dhcpreply...

AZL-8963 CVE-2021-45956 affecting package dnsmasq for versions less than 2.89-1

Dnsmasq 2.86 has a heap-based buffer overflow in printmac called from logpacket and dhcpreply. 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...

CVE-2021-45956

Dnsmasq 2.86 has a heap-based buffer overflow in printmac called from logpacket and dhcpreply. 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...

Heap overflow

DISPUTED Dnsmasq 2.86 has a heap-based buffer overflow in printmac called from logpacket and dhcpreply. 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."...

CVE-2021-45956

Dnsmasq 2.86 has a heap-based buffer overflow in printmac called from logpacket and dhcpreply. 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...

CVE-2021-45956

Dnsmasq 2.86 has a heap-based buffer overflow in printmac called from logpacket and dhcpreply. 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...

CVE-2021-45956

CVE-2021-45956 affects dnsmasq 2.86 with a heap-based buffer overflow in print_mac (triggered from log_packet and dhcp_reply). The vendor notes CVE-2021-45951 through CVE-2021-45957 may not represent real vulnerabilities. Public-internal notes in connected docs show related entries and unpatched-...

CVE-2021-45956

Dnsmasq 2.86 has a heap-based buffer overflow in printmac called from logpacket and dhcpreply. 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...

CVE-2021-45956: Out-of-bounds Write

Dnsmasq 2.86 has a heap-based buffer overflow in printmac called from logpacket and dhcpreply. 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...

OSV-2021-933 Heap-buffer-overflow in print_mac

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35887 Crash type: Heap-buffer-overflow WRITE 4 Crash state: printmac logpacket dhcpreply...

dnsmasq:fuzz_dhcp: Heap-buffer-overflow in print_mac

Detailed Report: https://oss-fuzz.com/testcase?key=6540853068824576 Project: dnsmasq Fuzzing Engine: afl Fuzz Target: fuzzdhcp Job Type: aflasandnsmasq Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 4 Crash Address: 0x6070000000dc Crash State: printmac logpacket dhcpreply Sanitizer:...