PT-2023-5532 · D Link · D-Link Dir-619L

Published 2023-09-28 · Updated 2023-09-29 · CVE-2023-43868

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DIR-619L version 2.02

Description The issue is related to a buffer overflow in the websGetVar function, which can be exploited to cause a denial of service. This can be achieved by a remote attacker, allowing them to disrupt the service. The buffer overflow occurs when data is written beyond the buffer's boundaries in memory.

Recommendations For D-Link DIR-619L version 2.02, as a temporary workaround, consider disabling the websGetVar function until a patch is available. Restrict access to the vulnerable function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2023-06182

CVE-2023-43868

Affected Products

D-Link Dir-619L

References · 7

• 🔥 https://github.com/YTrick/vuln/blob/main/DIR-619L%20Buffer%20Overflow_1.md · Exploit
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-43868 · Security Note
• https://osv.dev/vulnerability/CVE-2023-43868 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-06182 · Security Note
• https://t.me/cibsecurity/71196 · Telegram Post
• https://twitter.com/CVEnew/status/1707384617517699163 · Twitter Post