PT-2021-21071 · Couchbase · Couchbase Server

Published 2021-09-29 · Updated 2021-10-03 · CVE-2021-35945

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: Couchbase Server versions 6.5.x, 6.6.0 through 6.6.2, and 7.0.0

Description: A Buffer Overflow issue exists, where a specially crafted network packet sent from an attacker can crash memcached.

Recommendations: For Couchbase Server versions 6.5.x, consider updating to a version that includes a fix for this issue. For Couchbase Server versions 6.6.0 through 6.6.2, consider updating to a version that includes a fix for this issue. For Couchbase Server version 7.0.0, consider updating to a version that includes a fix for this issue. As a temporary workaround, consider restricting access to memcached to minimize the risk of exploitation.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-35945

Affected Products

Couchbase Server

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-35945 · Security Note
• https://osv.dev/vulnerability/CVE-2021-35945 · Vendor Advisory
• https://couchbase.com/alerts · Vendor Advisory
• https://docs.couchbase.com/server/current/release-notes/relnotes.html · Vendor Advisory
• https://t.me/cvenotify/21826 · Telegram Post
• https://t.me/cibsecurity/29686 · Telegram Post