PT-2022-5540 · D Link · D-Link Dir-1935

Published 2022-07-22 · Updated 2023-11-08 · CVE-2022-43630

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DIR-1935 version 1.03

Description This issue allows network-adjacent attackers to execute arbitrary code on affected installations. Authentication is not required to exploit this issue. The specific flaw exists within the handling of http requests to the web management portal, specifically when parsing the SOAPAction header. The process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this issue to execute code in the context of root.

Recommendations For D-Link DIR-1935 version 1.03, as a temporary workaround, consider restricting access to the web management portal until a patch is available. Avoid using the SOAPAction header in http requests to the web management portal until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2022-06869

CVE-2022-43630

ZDI-22-1501

Affected Products

D-Link Dir-1935

References · 8

• https://zerodayinitiative.com/advisories/ZDI-22-1501 · Security Note
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-43630 · Security Note
• https://osv.dev/vulnerability/CVE-2022-43630 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-06869 · Security Note
• https://t.me/cibsecurity/61095 · Telegram Post
• https://t.me/cvenotify/47650 · Telegram Post
• https://vuldb.com/?ctiid.212975 · Note