CVE-2018-16839
Quick assessment
Affected
The Curl Project curl:
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Haxx curl是瑞典Haxx公司的一套利用URL语法在命令行下工作的文件传输工具。该工具支持文件上传和下载，并包含一个用于程序开发的libcurl（客户端URL传输库）。 Haxx curl 7.33.0版本至7.61.1版主中的SASL身份验证代码存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Possible ATT&CK Techniques 1 AI
T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2018-16839
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Haxx curl 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Haxx curl是瑞典Haxx公司的一套利用URL语法在命令行下工作的文件传输工具。该工具支持文件上传和下载，并包含一个用于程序开发的libcurl（客户端URL传输库）。 Haxx curl 7.33.0版本至7.61.1版主中的SASL身份验证代码存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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 |
|---|---|---|---|---|
| The Curl Project | curl: | from 7.33.0 to 7.61.1 | - |
|
II. Public POCs for CVE-2018-16839
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2018-16839 (1)
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https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5 x_refsource_CONFIRM
Vendor Advisories for CVE-2018-16839 (5)
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https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16839 x_refsource_CONFIRM
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Mailing List Discussions for CVE-2018-16839 (2)
Other References for CVE-2018-16839 (1)
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https://curl.haxx.se/docs/CVE-2018-16839.html x_refsource_MISC
Same Patch Batch · The Curl Project · 2018-10-31 · 3 CVEs total
| CVE-2018-16840 | Haxx curl 资源管理错误漏洞 | |
| CVE-2018-16842 | Haxx curl 缓冲区错误漏洞 |
IV. Related Vulnerabilities
Same product: curl:
Same weakness: CWE-190
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V. Comments for CVE-2018-16839
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