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CVE-2010-20119— CommuniCrypt Mail <= 1.16 ANSMTP/AOSMTP ActiveX Control Buffer Overflow

Quick assessment

Affected
CommuniCrypt Software CommuniCrypt Mail
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.

CommuniCrypt Mail是CommuniCrypt公司的一款加密邮件客户端。 CommuniCrypt Mail 1.16及之前版本存在安全漏洞，该漏洞源于ANSMTP.dll和AOSMTP.dll ActiveX控件中AddAttachments方法未验证输入长度，可能导致栈缓冲区溢出。

AI Predicted 7.2 Difficulty: Moderate EPSS 1.62% · P76

Public Exploits 1

Metasploit · 1 communicrypt_mail_activex.rb [exploit]

Affected Version Matrix 1

VendorProduct Version RangeStatus
CommuniCrypt Software CommuniCrypt Mail ≤ 1.16 affected
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I. Basic Information for CVE-2010-20119

Vulnerability Information
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Vulnerability Title
CommuniCrypt Mail <= 1.16 ANSMTP/AOSMTP ActiveX Control Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
CommuniCrypt Mail versions up to and including 1.16 contains a stack-based buffer overflow vulnerability in its ANSMTP.dll and AOSMTP.dll ActiveX controls, specifically within the AddAttachments() method. This method fails to properly validate the length of input strings, allowing data to exceed the bounds of a fixed-size stack buffer. When invoked with an overly long string, the control can corrupt adjacent memory structures, including exception handlers, leading to potential control flow disruption.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
CommuniCrypt Mail 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CommuniCrypt Mail是CommuniCrypt公司的一款加密邮件客户端。 CommuniCrypt Mail 1.16及之前版本存在安全漏洞，该漏洞源于ANSMTP.dll和AOSMTP.dll ActiveX控件中AddAttachments方法未验证输入长度，可能导致栈缓冲区溢出。
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
CommuniCrypt Software CommuniCrypt Mail 0 ~ 1.16 -

II. Public POCs for CVE-2010-20119

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III. Intelligence Information for CVE-2010-20119

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IV. Related Vulnerabilities

Same weakness: CWE-121

V. Comments for CVE-2010-20119

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