Advantech WebAccess Stack-based Buffer Overflow

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Summary

CVECVE-2014-0768
StatePUBLISHED
Assignericscert
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-04-12 04:37:31 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionAn attacker may pass an overly long value from the AccessCode2 argument to the control to overflow the static stack buffer. The attacker may then remotely execute arbitrary code.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

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

Problem Types: CWE-121 | CWE-119 | CWE-121 CWE-121

VersionSourceTypeScoreSeverityVector
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
2.0[email protected]Secondary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
2.0CNACVSS7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Advantech Advantech Webaccess 5.0 All All All
Application Advantech Advantech Webaccess 6.0 All All All
Application Advantech Advantech Webaccess 7.0 All All All
Application Advantech Advantech Webaccess All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Advantech WebAccess affected 7.1 custom Not specified
CNA Advantech WebAccess unaffected 7.2 Not specified

References

ReferenceSourceLinkTags
www.securityfocus.com/bid/66732 af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Advantech WebAccess Vulnerabilities | ICS-CERT af854a3a-2127-422b-91ae-364da2661108 ics-cert.us-cert.gov Third Party Advisory, US Government Resource
webaccess.advantech.com [email protected] webaccess.advantech.com
www.securityfocus.com/bid/66740 [email protected] www.securityfocus.com
www.cisa.gov/news-events/ics-advisories/icsa-14-079-03 [email protected] www.cisa.gov
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Andrea Micalizzi, aka rgod, Tom Gallagher, and an independent anonymous researcher working with HP’s Zero Day Initiative (ZDI) (en)

Additional Advisory Data

Solutions

CNA: Advantech has created a new version (Version 7.2) that mitigates each of the vulnerabilities described above. Users may download this version from the following location at their web site:  http://webaccess.advantech.com/downloads.php?item=software For additional information about WebAccess, please visit the following Advantech web site:  http://webaccess.advantech.com/

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