CVE-2017-7907
medium
CVSS v3
6.6
CVSS v2
3.3
VIR risk
6.6
Description
An Improper XML Parser Configuration issue was discovered in Schneider Electric Wonderware Historian Client 2014 R2 SP1 and prior. An improperly restricted XML parser (with improper restriction of XML external entity reference, or XXE) may allow an attacker to enter malicious input through the application which could cause a denial of service or disclose file contents from a server or connected network.
Predictions
Exploit likelihood
65%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: ics-cert@hq.dhs.gov — https://ics-cert.us-cert.gov/advisories/ICSA-17-122-01
Vendor advisory: ics-cert@hq.dhs.gov — http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000120/
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| schneider-electric | wonderware_historian_client | {"endIncluding":"2014_r2"} | |
References
- http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000120/
- http://www.securityfocus.com/bid/98254
- http://www.securitytracker.com/id/1038542
- https://ics-cert.us-cert.gov/advisories/ICSA-17-122-01
- http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000120/
- http://www.securityfocus.com/bid/98254
- http://www.securitytracker.com/id/1038542
- https://ics-cert.us-cert.gov/advisories/ICSA-17-122-01
CWEs
CWE-611
Verify integrity in audit chain (admin only). AS-IS.