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BusyBox: Mehrere Schwachstellen
Advisory ansehen veröffentlicht 2021-11-09
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in BusyBox ausnutzen, um einen Denial of Service Angriff durchzuführen, Informationen offenzulegen oder beliebigen Code auszuführen.
01
beschreibt (14)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2021-42386US | high7.2 | — | ||
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 nvalloc function | ||||
| CVE-2021-42385US | high7.2 | — | ||
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 | ||||
| CVE-2021-42384US | high7.2 | — | ||
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 handle_special function | ||||
| CVE-2021-42383US | high7.2 | — | ||
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 | ||||
| CVE-2021-42382US | high7.2 | — | ||
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 getvar_s function | ||||
| CVE-2021-42381US | high7.2 | — | ||
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 | ||||
| CVE-2021-42380US | high7.2 | — | ||
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 clrvar function | ||||
| CVE-2021-42379US | high7.2 | — | ||
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 next_input_file function | ||||
| CVE-2021-42378US | high7.2 | — | ||
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 getvar_i function | ||||
| CVE-2021-42377US | critical9.8 | — | ||
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 mishan… | ||||
| CVE-2021-42376US | medium5.5 | — | ||
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.… | ||||
| CVE-2021-42375US | medium5.5 | — | ||
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 character… | ||||
| CVE-2021-42374US | medium5.3 | — | ||
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 a… | ||||
| CVE-2021-42373US | medium5.5 | — | ||
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 | ||||
02
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- Amazon Linux Security Advisory ALAS-2022-1558 vom 2022-01-20external
- JFrog Blog vom 2021-11-09external
- Debian Security Advisory DLA-4019 vom 2025-01-19external
- SUSE Security Update SUSE-SU-2022:0135-2 vom 2022-02-14external
- SUSE Security Update SUSE-SU-2022:0135-1 vom 2022-01-20external
- SUSE Security Update SUSE-SU-2022:3959-1 vom 2022-11-11external
- SUSE Security Update SUSE-SU-2022:4253-1 vom 2022-11-28external
- SUSE Security Update SUSE-SU-2026:0872-1 vom 2026-03-12external
scry
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