CVE-2023-4512— Uncontrolled Recursion in Wireshark
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I. Basic Information for CVE-2023-4512
Vulnerability Information
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Vulnerability Title
Uncontrolled Recursion in Wireshark
Source: NVD (National Vulnerability Database)
Vulnerability Description
CBOR dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wireshark 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wireshark（前称Ethereal）是导线鲨鱼（Wireshark）团队的一套网络数据包分析软件。该软件的功能是截取网络数据包，并显示出详细的数据以供分析。 Wireshark 4.0.0版本至4.0.6版本存在安全漏洞，该漏洞源于CBOR解析器崩溃，允许通过数据包注入或精心设计的捕获文件导致拒绝服务。
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 |
|---|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.0.0 ~ 4.0.8 | - |
II. Public POCs for CVE-2023-4512
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://gitlab.com/wireshark/wireshark/-/issues/19144issue-tracking
- https://nvd.nist.gov/vuln/detail/CVE-2023-4512
Same Patch Batch · Wireshark Foundation · 2023-08-24 · 3 CVEs total
| CVE-2023-4513 | 5.3 MEDIUM | Missing Release of Memory after Effective Lifetime in Wireshark |
| CVE-2023-4511 | 5.3 MEDIUM | Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark |
IV. Related Vulnerabilities
Same product: Wireshark
- CVE-2026-6525
NULL Pointer Dereference in Wireshark - CVE-2026-5404
Buffer Copy without Checking Size of Input ('Classic Buffer - CVE-2026-5403
Heap-based Buffer Overflow in Wireshark - CVE-2026-5656
Improper Limitation of a Pathname to a Restricted Directory - CVE-2026-5405
Heap-based Buffer Overflow in Wireshark
Same vendor: Wireshark Foundation
- CVE-2026-6525
NULL Pointer Dereference in Wireshark - CVE-2026-5404
Buffer Copy without Checking Size of Input ('Classic Buffer - CVE-2026-5403
Heap-based Buffer Overflow in Wireshark - CVE-2026-5656
Improper Limitation of a Pathname to a Restricted Directory - CVE-2026-5405
Heap-based Buffer Overflow in Wireshark
Same weakness: CWE-674
V. Comments for CVE-2023-4512
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