CVE-2018-4073 — HIGH (8.8) — White Hats Nepal

Vulnerability Description

An exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The the binary the endpoint /cgi-bin/Embeded_Ace_TLSet_Task.cgi is a very similar endpoint that is designed for use with setting table values that can cause an arbitrary setting writes, resulting in the unverified changes to any system setting. An attacker can make an authenticated HTTP request, or run the binary as any user, to trigger this vulnerability.

CVSS Score

8.8

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Sierrawireless	Airlink Es450 Firmware	4.9.3
Sierrawireless	Airlink Es450	-

Related Weaknesses (CWE)

CWE-732

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0756ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0756ExploitThird Party Advisory

FAQ

What is CVE-2018-4073?

CVE-2018-4073 is a vulnerability with a CVSS score of 8.8 (HIGH). An exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The the binary the endpoint /cgi-bin/Embede...

How severe is CVE-2018-4073?

CVE-2018-4073 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-4073?

Check the references section above for vendor advisories and patch information. Affected products include: Sierrawireless Airlink Es450 Firmware, Sierrawireless Airlink Es450.