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CVE-2018-20030

Quick assessment

Affected
Flexera Software LLC 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版本中存在安全漏洞，该漏洞源于在处理EXIF_IFD_INTEROPERABILITY和EXIF_IFD_EXIF标签时出现错误。远程攻击者可利用该漏洞造成拒绝服务（CPU资源耗尽）。

AI Predicted 5.3 Difficulty: Easy EPSS 3.80% · P90

Possible ATT&CK Techniques 1 AI

T1020 · Automated Exfiltration
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I. Basic Information for CVE-2018-20030

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.
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
libexif 资源管理错误漏洞
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版本中存在安全漏洞，该漏洞源于在处理EXIF_IFD_INTEROPERABILITY和EXIF_IFD_EXIF标签时出现错误。远程攻击者可利用该漏洞造成拒绝服务（CPU资源耗尽）。
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
Flexera Software LLC libexif 0.6.21 -

II. Public POCs for CVE-2018-20030

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III. Intelligence Information for CVE-2018-20030

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Patches & Fixes for CVE-2018-20030 (1)

Vendor Advisories for CVE-2018-20030 (1)

Mailing List Discussions for CVE-2018-20030 (4)

Other References for CVE-2018-20030 (1)

Same Patch Batch · Flexera Software LLC · 2019-02-20 · 3 CVEs total

CVE-2018-5817 LibRaw 代码问题漏洞
CVE-2018-5819 LibRaw 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: libexif
Same vendor: Flexera Software LLC

V. Comments for CVE-2018-20030

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