CVE-2018-20056 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. There is a stack-based buffer overflow allowing remote attackers to execute arbitrary code without authentication via the goform/formLanguageChange currTime parameter.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
D-Link	Dir-619L Firmware	2.06b1
Dlink	Dir-619L	-
D-Link	Dir-605L Firmware	2.12b1
Dlink	Dir-605L	-

Related Weaknesses (CWE)

CWE-787

References

https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-619%20stack%ExploitThird Party Advisory
https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-619%20stack%ExploitThird Party Advisory

FAQ

What is CVE-2018-20056?

CVE-2018-20056 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. There is a stack-based buffer overflow allowing remote attackers to execute arbitrary code withou...

How severe is CVE-2018-20056?

CVE-2018-20056 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-20056?

Check the references section above for vendor advisories and patch information. Affected products include: D-Link Dir-619L Firmware, Dlink Dir-619L, D-Link Dir-605L Firmware, Dlink Dir-605L.