CVE-2017-2896
Quick assessment
Affected
libxls libxls
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.
libxls是一个用于读取Exce（xls）文件的C语言库。 libxls 1.4版本中的‘xls_mergedCells’函数存在安全漏洞。远程攻击者可通过发送恶意的XLS文件利用该漏洞执行代码（越边界写入和内存损坏）。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2017-2896
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable out-of-bounds write vulnerability exists in the xls_mergedCells function of libxls 1.4. . A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.
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
libxls 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libxls是一个用于读取Exce（xls）文件的C语言库。 libxls 1.4版本中的‘xls_mergedCells’函数存在安全漏洞。远程攻击者可通过发送恶意的XLS文件利用该漏洞执行代码（越边界写入和内存损坏）。
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
II. Public POCs for CVE-2017-2896
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2017-2896 (2)
Other References for CVE-2017-2896 (1)
Same Patch Batch · libxls · 2017-11-20 · 5 CVEs total
| CVE-2017-12110 | libxls 数字错误漏洞 | |
| CVE-2017-12111 | libxls 安全漏洞 | |
| CVE-2017-2897 | libxls 安全漏洞 | |
| CVE-2017-2919 | libxls 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2017-2896
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