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Vulnerability details

CVE-2024-11950

XnSoft XnView Classic

XnSoft XnView Classic RWZ File Parsing Integer Underflow Remote Code Execution Vulnerability

CVSS 3.0
7.8High

Official description

XnSoft XnView Classic RWZ File Parsing Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of XnSoft XnView Classic. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of RWZ files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-22913.

CVSS scores

ScoreVersionSourceVector
7.8High 3.0 CVEProject cvelistV5 (CNA) (zdi) CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
XnSoft XnView Classic 2.51.5 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2024-12-12
Last updated
2024-12-12
State
Published
Assigner (CNA)
zdi

Exploit prediction (EPSS)

0.48%
Probability of exploitation in 30 days
42.2%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-191
    Integer Underflow (Wrap or Wraparound)