VulnerabilityModified
CVE-2018-3991
An exploitable heap overflow vulnerability exists in the WkbProgramLow function of WibuKey Network server management, version 6.40.2402.500.
CRITICAL 9.8EPSS 34.3%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 34.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
An exploitable heap overflow vulnerability exists in the WkbProgramLow function of WibuKey Network server management, version 6.40.2402.500. A specially crafted TCP packet can cause a heap overflow, potentially leading to remote code execution. An attacker can send a malformed TCP packet to trigger this vulnerability.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 34.33% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- wibu/wibukey · siemens/simatic wincc open architecture
- Source
- talos-cna@cisco.com
References
- http://www.securityfocus.com/bid/107005Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdfMitigation, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdfThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0659Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/107005Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdfMitigation, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdfThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0659Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.