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CVE-2023-45682— Wild address read in vorbis_decode_packet_rest in stb_vorbis

Quick assessment

Affected
nothings stb
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

stb_vorbis是一款开源的用于解码ogg vorbis文件的音频解码器。 stb_vorbis 存在安全漏洞，该漏洞源于当“var”为负数时，精心设计的文件可能会触发“DECODE”宏中的越界读取。

CVSS 5.3 · Medium EPSS 0.56% · P44

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2023-45682

Vulnerability Information
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Vulnerability Title
Wild address read in vorbis_decode_packet_rest in stb_vorbis
Source: CVE Program / CVE List V5
Vulnerability Description
stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger out of bounds read in `DECODE` macro when `var` is negative. As it can be seen in the definition of `DECODE_RAW` a negative `var` is a valid value. This issue may be used to leak internal memory allocation information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
stb_vorbis 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
stb_vorbis是一款开源的用于解码ogg vorbis文件的音频解码器。 stb_vorbis 存在安全漏洞，该漏洞源于当“var”为负数时，精心设计的文件可能会触发“DECODE”宏中的越界读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
nothings stb <= 1.22 -

II. Public POCs for CVE-2023-45682

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III. Intelligence Information for CVE-2023-45682

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Other References for CVE-2023-45682 (4)

Same Patch Batch · nothings · 2023-10-20 · 14 CVEs total

CVE-2023-45681 7.3 HIGH Out of bounds heap buffer write in stb_vorbis
CVE-2023-45679 7.3 HIGH Attempt to free an uninitialized memory pointer in vorbis_deinit in stb_vorbis
CVE-2023-45677 7.3 HIGH Heap buffer out of bounds write in start_decoder in stb_vorbis
CVE-2023-45676 7.3 HIGH Multi-byte write heap buffer overflow in start_decoder in stb_vorbis
CVE-2023-45666 7.3 HIGH Possible double-free or memory leak in stbi__load_gif_main in stb_image
CVE-2023-45664 7.3 HIGH Double-free in stbi__load_gif_main_outofmem in stb_image
CVE-2023-45678 6.5 MEDIUM Off-by-one heap buffer write in start_decoder in stb_vorbis
CVE-2023-45675 6.5 MEDIUM 0 byte write heap buffer overflow in start_decoder in stb_vorbis
CVE-2023-45662 6.5 MEDIUM Multi-byte read heap buffer overflow in stbi__vertical_flip in stb_image
CVE-2023-45661 6.5 MEDIUM Wild address read in stbi__gif_load_next in stb_image
CVE-2023-45680 5.3 MEDIUM Null pointer dereference in vorbis_deinit in stb_vorbis
CVE-2023-45667 5.3 MEDIUM Null pointer dereference because of an uninitialized variable in stb_image
CVE-2023-45663 5.3 MEDIUM Disclosure of uninitialized memory in stbi__tga_load in stb_image

IV. Related Vulnerabilities

Same product: stb
Same vendor: nothings
Same weakness: CWE-125

V. Comments for CVE-2023-45682

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