Headline
CVE-2022-40719: ZDI-22-1223
This vulnerability allows network-adjacent attackers to execute arbitrary commands on affected installations of D-Link DIR-2150 4.0.1 routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the xupnpd_generic.lua plugin for the xupnpd service, which listens on TCP port 4044 by default. When parsing the feed parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-15906.
September 14th, 2022
D-Link DIR-2150 xupnpd_generic Plugin Command Injection Remote Code Execution Vulnerability****ZDI-22-1223
ZDI-CAN-15906
CVE ID
CVE-2022-40719
CVSS SCORE
8.8, (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS
D-Link
AFFECTED PRODUCTS
DIR-2150
VULNERABILITY DETAILS
This vulnerability allows network-adjacent attackers to execute arbitrary commands on affected installations of D-Link DIR-2150 routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the xupnpd_generic.lua plugin for the xupnpd service, which listens on TCP port 4044 by default. When parsing the feed parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account.
ADDITIONAL DETAILS
D-Link has issued an update to correct this vulnerability. More details can be found at:
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10304
DISCLOSURE TIMELINE
- 2022-04-13 - Vulnerability reported to vendor
- 2022-09-14 - Coordinated public release of advisory
CREDIT
Anonymous
BACK TO ADVISORIES
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