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CVE-2022-47517

Quick assessment

Affected
n/a n/a
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.

drachtio-server是drachtio开源的一个建立在 sofia SIP 堆栈上的 SIP 服务器。 drachtio-server 0.8.19 之前版本存在安全漏洞，该漏洞源于允许远程攻击者通过精心设计的 UDP 消息导致拒绝服务（守护程序崩溃），该消息会由于差一错误导致基于 url_canonize2 堆的缓冲区过度读取。

AI Predicted 7.5 Difficulty: Easy EPSS 1.46% · P72
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I. Basic Information for CVE-2022-47517

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
drachtio-server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
drachtio-server是drachtio开源的一个建立在 sofia SIP 堆栈上的 SIP 服务器。 drachtio-server 0.8.19 之前版本存在安全漏洞，该漏洞源于允许远程攻击者通过精心设计的 UDP 消息导致拒绝服务（守护程序崩溃），该消息会由于差一错误导致基于 url_canonize2 堆的缓冲区过度读取。
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
- n/a n/a -

II. Public POCs for CVE-2022-47517

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III. Intelligence Information for CVE-2022-47517

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Patches & Fixes for CVE-2022-47517 (2)

Other References for CVE-2022-47517 (1)

Same Patch Batch · n/a · 2022-12-18 · 9 CVEs total

CVE-2022-4604 4.3 MEDIUM wp-english-wp-admin Plugin english-wp-admin.php register_endpoints cross-site request forg
CVE-2022-47514 XML-RPC.NET 代码问题漏洞
CVE-2022-47515 drachtio-server 安全漏洞
CVE-2022-47516 drachtio-server 安全漏洞
CVE-2022-47518 Linux kernel 缓冲区错误漏洞
CVE-2022-47519 Linux kernel 缓冲区错误漏洞
CVE-2022-47520 Linux kernel 缓冲区错误漏洞
CVE-2022-47521 Linux kernel 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2022-47517

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