Vulnerability Monitor

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CVE-2019-8985

On Netis WF2411 with firmware 2.1.36123 and other Netis WF2xxx devices (possibly WF2411 through WF2880), there is a stack-based buffer overflow that does not require authentication. This can cause denial of service (device restart) or remote code execution. This vulnerability can be triggered by a GET request with a long HTTP "Authorization: Basic" header that is mishandled by user_auth->user_ok in /bin/boa.

Published

2019-02-21T19:29:00.570

Last Modified

2024-11-21T04:50:45.637

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

8.5

Weaknesses

Type: Primary
CWE-306
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	netis-systems	wf2411_firmware	2.1.36123	Yes
Hardware	netis-systems	wf2411	-	No
Operating System	netis-systems	wf2880_firmware	2.1.36123	Yes
Hardware	netis-systems	wf2880	-	No

References

https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/netis/buffer%20overflow.md Exploit, Vendor Advisory ([email protected])
https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/netis/buffer%20overflow.md Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)