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CVE-2017-7394

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.

TigerVNC是一个高级的VNC（远程控制软件）远程访问的实现，它能够查看远程工作站的桌面，也可远程控制计算机的屏幕，且包含了一个JPEG压缩加速器。 TigerVNC 1.7.1版本中的SSecurityPlain.cxx文件存在安全漏洞。攻击者可通过发送较长的用户名利用该漏洞造成服务器崩溃。

AI Predicted 7.5 Difficulty: Trivial EPSS 1.61% · P75

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2017-7394

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.
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
TigerVNC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TigerVNC是一个高级的VNC（远程控制软件）远程访问的实现，它能够查看远程工作站的桌面，也可远程控制计算机的屏幕，且包含了一个JPEG压缩加速器。 TigerVNC 1.7.1版本中的SSecurityPlain.cxx文件存在安全漏洞。攻击者可通过发送较长的用户名利用该漏洞造成服务器崩溃。
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-2017-7394

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III. Intelligence Information for CVE-2017-7394

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Patches & Fixes for CVE-2017-7394 (1)

Vendor Advisories for CVE-2017-7394 (3)

Same Patch Batch · n/a · 2017-04-01 · 9 CVEs total

CVE-2017-7388 wallacepos 跨站脚本漏洞
CVE-2017-7389 Open eClass 跨站脚本漏洞
CVE-2017-7390 SocialNetwork 跨站脚本漏洞
CVE-2017-7391 Magmi 跨站脚本漏洞
CVE-2017-7392 TigerVNC 安全漏洞
CVE-2017-7393 TigerVNC 安全漏洞
CVE-2017-7395 TigerVNC 数字错误漏洞
CVE-2017-7396 TigerVNC 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2017-7394

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