PT-2023-6211 · Sonicos · Sonicos

Published 2023-10-17 · Updated 2023-10-19 · CVE-2023-41712

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions SonicOS (affected versions not specified)

Description The issue is related to a post-authentication Stack-Based Buffer Overflow Vulnerability in the SSL VPN "plainprefs.exp" URL endpoint. This vulnerability can be exploited by a remote attacker using a specially crafted HTTP request, leading to a denial of service and causing the firewall to crash. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the "plainprefs.exp" URL endpoint in the SSL VPN to minimize the risk of exploitation. Avoid using the vulnerable endpoint until the issue is resolved.

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

BDU:2023-06920

CVE-2023-41712

Affected Products

Sonicos

References · 8

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0012 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-41712 · Security Note
• https://osv.dev/vulnerability/CVE-2023-41712 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-06920 · Security Note
• https://twitter.com/CVEnew/status/1714411128636510588 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2023101650 · Note
• https://t.me/cibsecurity/72469 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1714437669298540826 · Twitter Post