SARA / Free Tools / CVE / CVE-2018-7838

CVE-2018-7838 — A CWE-119 Buffer Errors vulnerability exists in Modicon M580 CPU - BMEP582040, a

A CWE-119 Buffer Errors vulnerability exists in Modicon M580 CPU - BMEP582040, all versions before V2.90, and Modicon Ethernet Module BMENOC0301, all versions before V2.16, which could cause denial of service on the FTP service of the controller or the Ethernet BMENOC module when

CVSS
— —
EPSS
0.37% (top 41.70%)
CWE
CWE-119
Published
2019-07-15T20:49:01.000Z
Last modified
2024-08-05T06:37:59.463Z
CVSS vector
—

01What is this vulnerability?

A CWE-119 Buffer Errors vulnerability exists in Modicon M580 CPU - BMEP582040, all versions before V2.90, and Modicon Ethernet Module BMENOC0301, all versions before V2.16, which could cause denial of service on the FTP service of the controller or the Ethernet BMENOC module when it receives a FTP CWD command with a data length greater than 1020 bytes. A power cycle is then needed to reactivate…

02Affected products

VendorProductVersions
ModiconModicon M580 CPUBMEP582040 all versions before V2.90 and Modicon Ethernet Module BMENOC0301 all versions before V2.16 — Modicon M580 CPU - BMEP582040 all versions before V2.90 and Modicon Ethernet Module BMENOC0301 all versions before V2.16

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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