CVE-2023-45680 Null pointer dereference in vorbis_deinit in stb_vorbis

2023-10-2023:26:54

CWE-476

GitHub_M

github.com

security vulnerability

memory allocation

denial of service

ogg vorbis

stb_vorbis

mit license

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

AI Score

6.6

Confidence

High

SSVC

Exploitation

poc

Automatable

yes

Technical Impact

partial

JSON

stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger memory allocation failure in start_decoder. In that case the function returns early, the f->comment_list is set to NULL, but f->comment_list_length is not reset. Later in vorbis_deinit it tries to dereference the NULL pointer. This issue may lead to denial of service.