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CVE-2011-3494

HighPublished

WinSig.exe in eSignal 10.6.2425 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via (1) a long...

Published: Sep 16, 2011
Updated: Sep 17, 2024
Assigning CNA: mitre
Evidence observed: Sep 14, 2011

Primary CVSS

10.0/ 10High

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS probability estimate

55.8%

High · next 30 days

Percentile: 99.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

WinSig.exe in eSignal 10.6.2425 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via (1) a long StyleTemplate element in a QUO, SUM or POR file, which triggers a stack-based buffer overflow, or (2) a long Font->FaceName field (aka FaceName element), which triggers a heap-based buffer overflow. NOTE: some of these details are obtained from third party information.

Sources

eSignal and eSignal Pro 10.6.2425.1208 - Multiple VulnerabilitiesExploit
Luigi Auriemma · windows · Sep 14, 2011
eSignal and eSignal Pro 10.6.2425.1208 - File Parsing Buffer Overflow in QUO (Metasploit)Exploit
Metasploit · windows · Sep 20, 2011

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