CVE-2022-2476

Ubuntu Security Notice USN-5721-1

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

Se ha encontrado un bug de desreferencia de puntero null en wavpack versión 5.4.0 Los resultados del registro ASAN: AddressSanitizer:DEADLYSIGNAL ===================================================================84257==ERROR: AddressSanitizer: SEGV en dirección desconocida 0x000000000000 (pc 0x561b47a970c6 bp 0x7fff13952fb0 sp 0x7fff1394fca0 T0) ==84257==La señal es causada por un acceso a memoria WRITE. ==84257==Pista: la dirección apunta a la página cero. #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 no puede proporcionar información adicional. RESUMEN: AddressSanitizer: SEGV cli/wvunpack.c:834 in main ==84257==ABORTING

It was discovered that WavPack was not properly performing checks when dealing with memory. If a user were tricked into decompressing a specially crafted WavPack Audio File, an attacker could possibly use this issue to cause the WavPack decompressor to crash, resulting in a denial of service.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-07-19 CVE Reserved
2022-07-19 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://github.com/dbry/WavPack/issues/121	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CK45CC7MQ54SHEIJ63PW3HP4BCPTX6QP	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMIXZWB3OURGBAEU3T5HQY56BN2ZVLYF	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wavpack Search vendor "Wavpack"		Wavpack Search vendor "Wavpack" for product "Wavpack"				5.4.0 Search vendor "Wavpack" for product "Wavpack" and version "5.4.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected