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CVE-2022-4639— sslh Packet Dumping probe.c hexdump format string

Quick assessment

Affected
unspecified sslh
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.

sslh是Yves Rutschle个人开发者的一个应用协议多路复用器。 sslh存在格式化字符串错误漏洞，该漏洞源于其Packet Dumping Handler组件的hexdump函数的参数msg_info的操作导致格式化字符串。

CVSS 5.6 · Medium EPSS 0.85% · P56

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-4639

Vulnerability Information
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Vulnerability Title
sslh Packet Dumping probe.c hexdump format string
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in sslh. This issue affects the function hexdump of the file probe.c of the component Packet Dumping Handler. The manipulation of the argument msg_info leads to format string. The attack may be initiated remotely. The name of the patch is b19f8a6046b080e4c2e28354a58556bb26040c6f. It is recommended to apply a patch to fix this issue. The identifier VDB-216497 was assigned to this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
sslh 格式化字符串错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sslh是Yves Rutschle个人开发者的一个应用协议多路复用器。 sslh存在格式化字符串错误漏洞，该漏洞源于其Packet Dumping Handler组件的hexdump函数的参数msg_info的操作导致格式化字符串。
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
unspecified sslh n/a -

II. Public POCs for CVE-2022-4639

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III. Intelligence Information for CVE-2022-4639

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Patches & Fixes for CVE-2022-4639 (2)

Vendor Advisories for CVE-2022-4639 (1)

Same Patch Batch · unspecified · 2022-12-21 · 13 CVEs total

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CVE-2022-4641 2.5 LOW pig-vector LogisticRegression.java LogisticRegression temp file

IV. Related Vulnerabilities

Same product: sslh
Same vendor: unspecified
Same weakness: CWE-119

V. Comments for CVE-2022-4639

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