PT-2022-4919 · Sonicos · Sonicos

Published 2022-01-05 · Updated 2022-01-19 · CVE-2021-20046

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

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

Description A Stack-based buffer overflow in the SonicOS HTTP Content-Length response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code execution in the firewall. The issue is related to the exploitation of a buffer overflow vulnerability, which can lead to arbitrary code execution or service disruption.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

BDU:2022-06091

CVE-2021-20046

Affected Products

Sonicos

References · 5

• https://bdu.fstec.ru/vul/2022-06091 · Security Note
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0027 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20046 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20046 · Security Note
• https://cybersecurity-help.cz/vdb/SB2022010525 · Note