CVE-2021-27815
Quick assessment
Affected
n/a n/a
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.
exif是一个应用程序。用于显示隐藏的EXIF信息 libexif exif v0.6.22 存在安全漏洞，该漏洞源于libexif exif v0.6.22的actions.c库中的空指针,攻击者可利用该漏洞通过上传恶意的JPEG文件导致应用程序崩溃，从而导致拒绝服务(DoS)。
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-27815
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.
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
exif 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
exif是一个应用程序。用于显示隐藏的EXIF信息 libexif exif v0.6.22 存在安全漏洞，该漏洞源于libexif exif v0.6.22的actions.c库中的空指针,攻击者可利用该漏洞通过上传恶意的JPEG文件导致应用程序崩溃，从而导致拒绝服务(DoS)。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-27815
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-27815 (2)
Vendor Advisories for CVE-2021-27815 (1)
-
https://security.gentoo.org/glsa/202210-28 vendor-advisory
Mailing List Discussions for CVE-2021-27815 (3)
Other References for CVE-2021-27815 (1)
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IV. Related Vulnerabilities
V. Comments for CVE-2021-27815
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