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Vulnerability DatabaseCVE-2021-28427

CVE-2021-28427: 
XnView vulnerability analysis and mitigation

Overview

Buffer Overflow vulnerability in XNView version 2.49.3, allows local attackers to execute arbitrary code via crafted TIFF file. The vulnerability was discovered and disclosed in 2021, with the CVE identifier CVE-2021-28427. The affected software is XNView version 2.49.3 (NVD, CVE).

Technical details

The vulnerability is classified as a Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (CWE-120). It has been assigned a CVSS v3.1 Base Score of 7.8 HIGH with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating local access, low attack complexity, no privileges required, and user interaction required (NVD).

Impact

If successfully exploited, this vulnerability allows attackers to execute arbitrary code in the context of the current process. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the affected system (NVD).

Mitigation and workarounds

The vulnerability was addressed in XNView version 2.49.4. Users should upgrade to this or a later version. The fix was specifically mentioned in the changelog as 'TIFF Security vulnerability' (XnView Forum).

Additional resources

Source: This report was generated using AI

Related XnView vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2013-3493CRITICAL9.8
  • XnViewXnView
  • cpe:2.3:a:xnview:xnview
NoYesJan 27, 2020
CVE-2024-11950HIGH8.8
  • XnViewXnView
  • cpe:2.3:a:xnview:xnview
NoNoDec 12, 2024
CVE-2023-46587HIGH7.8
  • XnViewXnView
  • cpe:2.3:a:xnview:xnview
NoNoOct 27, 2023
CVE-2021-28835HIGH7.8
  • XnViewXnView
  • cpe:2.3:a:xnview:xnview
NoYesAug 11, 2023
CVE-2021-28427HIGH7.8
  • XnViewXnView
  • cpe:2.3:a:xnview:xnview
NoYesAug 11, 2023

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