The vulnerability of the print_mac function in the Dnsmasq DNS server allows a hacker to access confidential data, compromise its integrity, and cause service failures.

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...

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...

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...

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

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: 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:...