CVE-2019-5176

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
Description
An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.02(14). An attacker can send a specially crafted packet to trigger the parsing of this cache file.The destination buffer sp+0x40 is overflowed with the call to sprintf() for any gateway values that are greater than 512-len(‘/etc/config-tools/config_default_gateway number=0 state=enabled value=‘) in length. A gateway value of length 0x7e2 will cause the service to crash.
Overview
  • CVE ID
  • CVE-2019-5176
  • Assigner
  • talos-cna@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-03-12T00:15:18
  • Last Modified Date
  • 2020-03-17T18:16:02
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:wago:pfc200:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0963 Exploit Mitigation Technical Description Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-5176
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5176
History
Created Old Value New Value Data Type Notes
2022-05-10 16:47:08 Added to TrackCVE
2022-12-04 12:27:33 2020-03-12T00:15Z 2020-03-12T00:15:18 CVE Published Date updated
2022-12-04 12:27:33 2020-03-17T18:16:02 CVE Modified Date updated
2022-12-04 12:27:33 Analyzed Vulnerability Status updated