Debian Busybox vulnerabilities

CVE-2021-42381 [HIGH] CVE-2021-42381: busybox - A use-after-free in Busybox's awk applet leads to denial of service and possibly... A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the hash_init function Scope: local bookworm: resolved (fixed in 1:1.35.0-1) bullseye: resolved (fixed in 1:1.30.1-6+deb11u1) forky: resolved (fixed in 1:1.35.0-1) sid: resolved (fixed in 1:1.35.0-1) trixie: resolved (fixed in 1:1.

CVE-2021-28831 [HIGH] CVE-2021-28831: busybox - decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the hu... decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data. Scope: local bookworm: resolved (fixed in 1:1.35.0-1) bullseye: resolved (fixed in 1:1.30.1-6+deb11u1) forky: resolved (fixed in 1:1.35.0-1) sid: resolved (fixed in 1:1.35.0-1) trixie:

CVE-2021-42383 [HIGH] CVE-2021-42383: busybox - A use-after-free in Busybox's awk applet leads to denial of service and possibly... A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the evaluate function Scope: local bookworm: resolved (fixed in 1:1.35.0-1) bullseye: open forky: resolved (fixed in 1:1.35.0-1) sid: resolved (fixed in 1:1.35.0-1) trixie: resolved (fixed in 1:1.35.0-1)

CVE-2021-42374 [MEDIUM] CVE-2021-42374: busybox - An out-of-bounds heap read in Busybox's unlzma applet leads to information leak ... An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that Scope: local bookworm: resolved (fixed in 1:1.35.0-1) bullseye: resolved (fixed in 1:1.30.1-6+deb11u1) forky: resolved (fixed in 1:1.35.0-1) sid: resolved (fixed in

CVE-2021-42377 [CRITICAL] CVE-2021-42377: busybox - An attacker-controlled pointer free in Busybox's hush applet leads to denial of ... An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input. Scope: local bookworm: resolved (fixed in 1:1.35.0-1) bullseye: open f

CVE-2021-42373 [MEDIUM] CVE-2021-42373: busybox - A NULL pointer dereference in Busybox's man applet leads to denial of service wh... A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given Scope: local bookworm: resolved (fixed in 1:1.35.0-1) bullseye: open forky: resolved (fixed in 1:1.35.0-1) sid: resolved (fixed in 1:1.35.0-1) trixie: resolved (fixed in 1:1.35.0-1)

CVE-2021-42375 [MEDIUM] CVE-2021-42375: busybox - An incorrect handling of a special element in Busybox's ash applet leads to deni... An incorrect handling of a special element in Busybox's ash applet leads to denial of service when processing a crafted shell command, due to the shell mistaking specific characters for reserved characters. This may be used for DoS under rare conditions of filtered command input. Scope: local bookworm: resolved (fixed in 1:1.35.0-1) bullseye: open forky: resolved

CVE-2021-42376 [MEDIUM] CVE-2021-42376: busybox - A NULL pointer dereference in Busybox's hush applet leads to denial of service w... A NULL pointer dereference in Busybox's hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input. Scope: local bookworm: resolved (fixed in 1:1.35.0-1) bullseye: open forky: resolved (fixed in 1:1.35.0-1)

CVE-2019-5747 [HIGH] CVE-2019-5747: busybox - An issue was discovered in BusyBox through 1.30.0. An out of bounds read in udhc... An issue was discovered in BusyBox through 1.30.0. An out of bounds read in udhcp components (consumed by the DHCP client, server, and/or relay) might allow a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to assurance of a 4-byte length when decoding DHCP_SUBNET. NOTE: this issue exists because of an in

CVE-2018-1000517 [CRITICAL] CVE-2018-1000517: busybox - BusyBox project BusyBox wget version prior to commit 8e2174e9bd836e53c8b9c6e00d1... BusyBox project BusyBox wget version prior to commit 8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e contains a Buffer Overflow vulnerability in Busybox wget that can result in heap buffer overflow. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in after commit 8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e. S

CVE-2018-20679 [HIGH] CVE-2018-20679: busybox - An issue was discovered in BusyBox before 1.30.0. An out of bounds read in udhcp... An issue was discovered in BusyBox before 1.30.0. An out of bounds read in udhcp components (consumed by the DHCP server, client, and relay) allows a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to verification in udhcp_get_option() in networking/udhcp/common.c that 4-byte options are indeed 4 bytes.

CVE-2018-1000500 [HIGH] CVE-2018-1000500: busybox - Busybox contains a Missing SSL certificate validation vulnerability in The "busy... Busybox contains a Missing SSL certificate validation vulnerability in The "busybox wget" applet that can result in arbitrary code execution. This attack appear to be exploitable via Simply download any file over HTTPS using "busybox wget https://compromised-domain.com/important-file". Scope: local bookworm: open bullseye: open forky: open sid: open trixie: open

CVE-2017-16544 [HIGH] CVE-2017-16544: busybox - In the add_match function in libbb/lineedit.c in BusyBox through 1.27.2, the tab... In the add_match function in libbb/lineedit.c in BusyBox through 1.27.2, the tab autocomplete feature of the shell, used to get a list of filenames in a directory, does not sanitize filenames and results in executing any escape sequence in the terminal. This could potentially result in code execution, arbitrary file writes, or other attacks. Scope: local bookworm: r

CVE-2017-15874 [MEDIUM] CVE-2017-15874: busybox - archival/libarchive/decompress_unlzma.c in BusyBox 1.27.2 has an Integer Underfl... archival/libarchive/decompress_unlzma.c in BusyBox 1.27.2 has an Integer Underflow that leads to a read access violation. Scope: local bookworm: resolved (fixed in 1:1.27.2-2) bullseye: resolved (fixed in 1:1.27.2-2) forky: resolved (fixed in 1:1.27.2-2) sid: resolved (fixed in 1:1.27.2-2) trixie: resolved (fixed in 1:1.27.2-2)

CVE-2017-15873 [MEDIUM] CVE-2017-15873: busybox - The get_next_block function in archival/libarchive/decompress_bunzip2.c in BusyB... The get_next_block function in archival/libarchive/decompress_bunzip2.c in BusyBox 1.27.2 has an Integer Overflow that may lead to a write access violation. Scope: local bookworm: resolved (fixed in 1:1.27.2-2) bullseye: resolved (fixed in 1:1.27.2-2) forky: resolved (fixed in 1:1.27.2-2) sid: resolved (fixed in 1:1.27.2-2) trixie: resolved (fixed in 1:1.27.2-2)

CVE-2016-2148 [CRITICAL] CVE-2016-2148: busybox - Heap-based buffer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 ... Heap-based buffer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to have unspecified impact via vectors involving OPTION_6RD parsing. Scope: local bookworm: resolved (fixed in 1:1.27.2-1) bullseye: resolved (fixed in 1:1.27.2-1) forky: resolved (fixed in 1:1.27.2-1) sid: resolved (fixed in 1:1.27.2-1) trixie: resolved (fixed

CVE-2016-2147 [HIGH] CVE-2016-2147: busybox - Integer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows rem... Integer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to cause a denial of service (crash) via a malformed RFC1035-encoded domain name, which triggers an out-of-bounds heap write. Scope: local bookworm: resolved (fixed in 1:1.27.2-1) bullseye: resolved (fixed in 1:1.27.2-1) forky: resolved (fixed in 1:1.27.2-1) sid: resolved (fi

CVE-2016-6301 [HIGH] CVE-2016-6301: busybox - The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows ... The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged NTP packet, which triggers a communication loop. Scope: local bookworm: resolved (fixed in 1:1.27.2-1) bullseye: resolved (fixed in 1:1.27.2-1) forky: resolved (fixed in 1:1.27.2-1) sid: resolved (fi

CVE-2015-9261 [MEDIUM] CVE-2015-9261: busybox - huft_build in archival/libarchive/decompress_gunzip.c in BusyBox before 1.27.2 m... huft_build in archival/libarchive/decompress_gunzip.c in BusyBox before 1.27.2 misuses a pointer, causing segfaults and an application crash during an unzip operation on a specially crafted ZIP file. Scope: local bookworm: resolved (fixed in 1:1.27.2-1) bullseye: resolved (fixed in 1:1.27.2-1) forky: resolved (fixed in 1:1.27.2-1) sid: resolved (fixed in 1:1.27.2-1)

CVE-2014-4607 [HIGH] CVE-2014-4607: busybox - Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 bef... Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 before 2.07 on 32-bit platforms might allow remote attackers to execute arbitrary code via a crafted Literal Run. Scope: local bookworm: resolved (fixed in 1:1.22.0-10) bullseye: resolved (fixed in 1:1.22.0-10) forky: resolved (fixed in 1:1.22.0-10) sid: resolved (fixed in 1:1.22.0-10) trixie