CVE-2018-7838: Buffer Overflow
First published: Mon Jul 15 2019(Updated: )
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 the FTP service.
Credit: cybersecurity@se.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Schneider-electric Bmenoc0301 Firmware | <2.16 | |
| Schneider-electric Bmenoc0301 | ||
| Schneider-electric Modicon M580 Bmep584040 Firmware | <2.90 | |
| Schneider-electric Bmeh584040 | ||
| Schneider-electric Bmeh584040c | ||
| Schneider-electric Modicon M580 Bmep584040 | ||
| Schneider-electric Modicon M580 Bmep584040s | ||
| Schneider-electric Modicon M580 Bmep586040 Firmware | <2.90 | |
| Schneider-electric Modicon M580 Bmep586040 | ||
| Schneider-electric Modicon M580 Bmep586040c | ||
| Schneider-electric Bmeh586040 Firmware | <2.90 | |
| Schneider-electric Bmeh586040 | ||
| Schneider-electric Bmeh586040c | ||
| Schneider-electric Modicon M580 Bmep581020 Firmware | <2.90 | |
| Schneider-electric Modicon M580 Bmep581020 | ||
| Schneider-electric Modicon M580 Bmep581020h | ||
| Schneider-electric Modicon M580 Bmep582020 Firmware | <2.90 | |
| Schneider-electric Modicon M580 Bmep582020 | ||
| Schneider-electric Modicon M580 Bmep582020h | ||
| Schneider-electric Modicon M580 Bmep582040 Firmware | <2.90 | |
| Schneider-electric Modicon M580 Bmep582040 | ||
| Schneider-electric Modicon M580 Bmep582040h | ||
| Schneider-electric Modicon M580 Bmep583020 Firmware | <2.90 | |
| Schneider-electric Modicon M580 Bmep583020 | ||
| Schneider-electric Modicon M580 Bmep583040 Firmware | <2.90 | |
| Schneider-electric Modicon M580 Bmep583040 | ||
| Schneider-electric Modicon M580 Bmep584020 Firmware | <2.90 | |
| Schneider-electric Modicon M580 Bmep584020 | ||
| Schneider-electric Modicon M580 Bmep585040 Firmware | <2.90 | |
| Schneider-electric Modicon M580 Bmep585040 | ||
| Schneider-electric Modicon M580 Bmep585040c | ||
| Schneider-electric Modicon M580 Bmep582040s Firmware | <2.90 | |
| Schneider-electric Modicon M580 Bmep582040s | ||
| Schneider-electric Bmeh582040 Firmware | <2.90 | |
| Schneider-electric Bmeh582040 | ||
| Schneider-electric Bmeh582040c |
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Frequently Asked Questions
What is CVE-2018-7838?
CVE-2018-7838 is a Buffer Errors vulnerability that exists in Modicon M580 CPU - BMEP582040, all versions before V2.90, and Modicon Ethernet Module BMENOC0301, all versions before V2.16.
What is the severity of CVE-2018-7838?
CVE-2018-7838 has a severity keyword of high and a severity value of 7.5.
How does CVE-2018-7838 affect Schneider-electric Bmenoc0301 firmware?
CVE-2018-7838 affects Schneider-electric Bmenoc0301 firmware versions up to but excluding V2.16.
How does CVE-2018-7838 affect Schneider-electric Modicon M580 Bmep582040 firmware?
CVE-2018-7838 affects Schneider-electric Modicon M580 Bmep582040 firmware versions up to but excluding V2.90.
How do I fix CVE-2018-7838?
To fix CVE-2018-7838, update to Modicon M580 CPU - BMEP582040 firmware version V2.90 or later, and Modicon Ethernet Module BMENOC0301 firmware version V2.16 or later.
- collector/nvd-index
- agent/severity
- agent/weakness
- agent/references
- agent/author
- agent/type
- agent/event
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/schneider-electric
- canonical/schneider-electric bmenoc0301 firmware
- canonical/schneider-electric bmenoc0301
- canonical/schneider-electric modicon m580 bmep584040 firmware
- canonical/schneider-electric bmeh584040
- canonical/schneider-electric bmeh584040c
- canonical/schneider-electric modicon m580 bmep584040
- canonical/schneider-electric modicon m580 bmep584040s
- canonical/schneider-electric modicon m580 bmep586040 firmware
- canonical/schneider-electric modicon m580 bmep586040
- canonical/schneider-electric modicon m580 bmep586040c
- canonical/schneider-electric bmeh586040 firmware
- canonical/schneider-electric bmeh586040
- canonical/schneider-electric bmeh586040c
- canonical/schneider-electric modicon m580 bmep581020 firmware
- canonical/schneider-electric modicon m580 bmep581020
- canonical/schneider-electric modicon m580 bmep581020h
- canonical/schneider-electric modicon m580 bmep582020 firmware
- canonical/schneider-electric modicon m580 bmep582020
- canonical/schneider-electric modicon m580 bmep582020h
- canonical/schneider-electric modicon m580 bmep582040 firmware
- canonical/schneider-electric modicon m580 bmep582040
- canonical/schneider-electric modicon m580 bmep582040h
- canonical/schneider-electric modicon m580 bmep583020 firmware
- canonical/schneider-electric modicon m580 bmep583020
- canonical/schneider-electric modicon m580 bmep583040 firmware
- canonical/schneider-electric modicon m580 bmep583040
- canonical/schneider-electric modicon m580 bmep584020 firmware
- canonical/schneider-electric modicon m580 bmep584020
- canonical/schneider-electric modicon m580 bmep585040 firmware
- canonical/schneider-electric modicon m580 bmep585040
- canonical/schneider-electric modicon m580 bmep585040c
- canonical/schneider-electric modicon m580 bmep582040s firmware
- canonical/schneider-electric modicon m580 bmep582040s
- canonical/schneider-electric bmeh582040 firmware
- canonical/schneider-electric bmeh582040
- canonical/schneider-electric bmeh582040c