Xnview
CVE-2017-9901
HIGH
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.67%. |
| Exploit ScenarioDerived | A local attacker with access to the system could corrupt memory to execute arbitrary code or crash the application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
XnView Classic for Windows Version 2.40 allows remote attackers to execute code via a crafted .fpx file, related to "Data from Faulting Address controls subsequent Write Address starting at. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. XnView Classic for Windows Version 2.40 allows remote attackers to execute code via a crafted .fpx file, related to "Data from Faulting Address controls subsequent Write Address starting at Xfpx!gffGetFormatInfo+0x000000000002bfd5." Affected products include: Xnview. Version information: Version 2.40.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
XnView Classic for Windows Version 2.40 allows remote attackers to execute code via a crafted .fpx file, related to "Data from Faulting Address controls subsequent Write Address starting at Xfpx!gffGetFormatInfo+0x000000000002bfd5."
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Affected Products (CPE)CVE.org
Heap-based buffer overflow in the xjpegls.dll (aka JLS, JPEG-LS, or JPEG lossless) format plugin in XnView 1.99 and 1.99
Buffer overflow in XnView before 2.04 allows remote attackers to execute arbitrary code via a crafted PCT file. Rated cr
Multiple heap-based buffer overflows in XnView before 1.99 allow remote attackers to cause a denial of service (applicat
XnView Classic before 2.51.3 on Windows has a Write Access Violation at xnview.exe+0x3125D6. Rated critical severity (CV
Heap-based buffer overflow in XnView before 1.99 allows remote attackers to cause a denial of service (application crash
Heap-based buffer overflow in XnView before 1.99 allows remote attackers to cause a denial of service (application crash
XNSoft Nconvert 7.136 has an Exception Handler Chain Corrupted via a crafted image file. Rated high severity (CVSS 7.8),
XNSoft Nconvert 7.136 is vulnerable to Buffer Overflow via a crafted image file. Rated high severity (CVSS 7.8), this vu
XNSoft Nconvert 7.136 is vulnerable to Buffer Overflow. Rated high severity (CVSS 7.8), this vulnerability is no authent
XnView Classic 2.48 has a User Mode Write AV starting at xnview+0x00000000003283eb. Rated high severity (CVSS 7.8), this
XnView Classic 2.48 has a User Mode Write AV starting at xnview+0x0000000000328384. Rated high severity (CVSS 7.8), this
XnView Classic 2.48 has a User Mode Write AV starting at xnview+0x0000000000327a07. Rated high severity (CVSS 7.8), this
NVD
CVE.org
EPSS
GitHub
Exploit-DB