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CVE-2017-7544

Quick assessment

Affected
Red Hat, Inc. libexif
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.

libexif是一个使用C语言编写的函数库，用于从图形文件中读写EXIF元信息。 libexif 0.6.21及之前的版本中的libexif/exif-data.c文件的‘exif_data_save_data_entry’函数存在安全漏洞，该漏洞源于程序没有正确的计算分配数据的长度。攻击者可利用该漏洞造成拒绝服务或获取信息。

AI Predicted 5.5 Difficulty: Easy EPSS 3.27% · P88

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2017-7544

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
libexif 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libexif是一个使用C语言编写的函数库，用于从图形文件中读写EXIF元信息。 libexif 0.6.21及之前的版本中的libexif/exif-data.c文件的‘exif_data_save_data_entry’函数存在安全漏洞，该漏洞源于程序没有正确的计算分配数据的长度。攻击者可利用该漏洞造成拒绝服务或获取信息。
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
Red Hat, Inc. libexif through 0.6.21 -

II. Public POCs for CVE-2017-7544

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III. Intelligence Information for CVE-2017-7544

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Vendor Advisories for CVE-2017-7544 (1)

Mailing List Discussions for CVE-2017-7544 (2)

Other References for CVE-2017-7544 (1)

Same Patch Batch · Red Hat, Inc. · 2017-09-21 · 3 CVEs total

CVE-2017-12170 Fedora pure-ftpd 配置错误漏洞
CVE-2017-7549 Red Hat OpenStack Platform 后置链接漏洞

IV. Related Vulnerabilities

Same product: libexif
Same vendor: Red Hat, Inc.
Same weakness: CWE-125