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IcscertCVE-2018-5440

HistoryFeb 15, 2018 - 10:29 a.m.

CVE-2018-5440

2018-02-1510:29:00

CWE-787

CWE-121

icscert

web.nvd.nist.gov

buffer overflow

3s-smart

codesys

web server

cve-2018-5440

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.7

Confidence

High

EPSS

0.004

Percentile

73.7%

JSON

A Stack-based Buffer Overflow issue was discovered in 3S-Smart CODESYS Web Server. Specifically: all Microsoft Windows (also WinCE) based CODESYS web servers running stand-alone Version 2.3, or as part of the CODESYS runtime system running prior to Version V1.1.9.19. A crafted request may cause a buffer overflow and could therefore execute arbitrary code on the web server or lead to a denial-of-service condition due to a crash in the web server.

Affected configurations

Nvd

Node

3s-softwarecodesys_runtime_systemRange<1.1.9.19

3s-softwarecodesys_web_serverMatch2.3

VendorProductVersionCPE
3s-softwarecodesys_web_server2.3cpe:/a:3s-software:codesys_web_server:2.3:::

Vendor	Product	Version	CPE
3s-software	codesys_web_server	2.3	cpe:/a:3s-software:codesys_web_server:2.3:::

CNA Affected

[
  {
    "product": "3S-Smart Software Solutions GmbH CODESYS Web Server",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "3S-Smart Software Solutions GmbH CODESYS Web Server"
      }
    ]
  }
]

References

www.securityfocus.com/bid/102909

ics-cert.us-cert.gov/advisories/ICSA-18-032-02

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.7

Confidence

High

EPSS

0.004

Percentile

73.7%

JSON

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