Home/CVE/A remote attacker could send a carefully crafted packet in InduSoft Web Studio v8.1 and prior versions, and/or InTouch M
CVE

CVE-2018-8840

A remote attacker could send a carefully crafted packet in InduSoft Web Studio v8.1 and prior versions, and/or InTouch M

A remote attacker could send a carefully crafted packet in InduSoft Web Studio v8.1 and prior versions, and/or InTouch Machine Edition 2017 v8.1 and prior versions during a tag, alarm, or event related action such as read and write, which may allow remote code execution.

CRITICAL · CVSS 9.8 EPSS 0.3757
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121Stack-based Buffer Overflow
▤

Affected Products & Versions

2
indusoft web studio<= 8.1
industrial-software intouch machine edition 2017<= 8.1
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · ics-cert@hq.dhs.gov
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Apr 2018 · 08:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2018-icsa-18-107-01
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000125/Third Party Advisory
http://www.securityfocus.com/bid/103949Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-01Third Party AdvisoryUS Government Resource
https://www.tenable.com/security/research/tra-2018-07Third Party Advisory
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