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CVE-2022-2476

Published: 19 July 2022

A null pointer dereference bug was found in wavpack-5.4.0 The results from the ASAN log: AddressSanitizer:DEADLYSIGNAL ===================================================================84257==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x561b47a970c6 bp 0x7fff13952fb0 sp 0x7fff1394fca0 T0) ==84257==The signal is caused by a WRITE memory access. ==84257==Hint: address points to the zero page. #0 0x561b47a970c5 in main cli/wvunpack.c:834 #1 0x7efc4f5c0082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) #2 0x561b47a945ed in _start (/usr/local/bin/wvunpack+0xa5ed) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV cli/wvunpack.c:834 in main ==84257==ABORTING

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
wavpack
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
bionic Needs triage

focal Needs triage

jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial
Released (4.75.2-2ubuntu0.2+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
impish Ignored
(end of life)
mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
Patches:
upstream: https://github.com/dbry/WavPack/commit/25b4a2725d8568212e7cf89ca05ca29d128af7ac

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H