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CVE-2017-12108

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_preparseWorkSheet’函数存在整数溢出漏洞。远程攻击者可借助恶意的XLS文件利用该漏洞执行代码（内存损坏）。

AI Predicted 9.8 Difficulty: Easy EPSS 2.73% · P85

Possible ATT&CK Techniques 1 AI

T1204 · User Execution
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I. Basic Information for CVE-2017-12108

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULBLANK record. 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 数字错误漏洞
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_preparseWorkSheet’函数存在整数溢出漏洞。远程攻击者可借助恶意的XLS文件利用该漏洞执行代码（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

Vendor Product Affected Versions CPE Subscribe
libxls libxls 1.4 readxl package 1.0.0 for R (tested using Microsoft R 4.3.1) -

II. Public POCs for CVE-2017-12108

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III. Intelligence Information for CVE-2017-12108

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Other References for CVE-2017-12108 (1)

IV. Related Vulnerabilities

Same product: libxls
Same vendor: libxls

V. Comments for CVE-2017-12108

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