PT-2020-18277 · Sonicwall · Sonicos Gen 7+2

Nikita Abramov · Published 2020-10-12 · Updated 2021-10-18 · CVE-2020-5138

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions SonicOS versions 5.9.1.7 through 5.9.1.13 SonicOS Gen 6 versions 6.0.5.3 through 6.5.4.7 SonicOSv version 6.5.4.v SonicOS Gen 7 version 7.0.0.0

Description A Heap Overflow issue in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service, leading to a SonicOS crash.

Recommendations For SonicOS versions 5.9.1.7 through 5.9.1.13, update to a version that fixes the Heap Overflow issue. For SonicOS Gen 6 versions 6.0.5.3 through 6.5.4.7, update to a version that fixes the Heap Overflow issue. For SonicOSv version 6.5.4.v, update to a version that fixes the Heap Overflow issue. For SonicOS Gen 7 version 7.0.0.0, update to a version that fixes the Heap Overflow issue.

Fix

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

CVE-2020-5138

Affected Products

Sonicos

Sonicos Gen 6

Sonicos Gen 7

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2020-5138 · Security Note
• https://osv.dev/vulnerability/CVE-2020-5138 · Vendor Advisory
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0013 · Vendor Advisory