PT-2017-15603 · Cesanta · Mongoose

Published 2017-11-07 · Updated 2022-06-07 · CVE-2017-2895

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cesanta Mongoose version 6.8

Description An arbitrary memory read issue exists in the MQTT packet parsing functionality. A specially crafted MQTT SUBSCRIBE packet can cause an out-of-bounds memory read, potentially resulting in information disclosure and denial of service. An attacker can trigger this issue by sending a specially crafted MQTT packet over the network.

Recommendations For Cesanta Mongoose version 6.8, consider restricting access to the MQTT packet parsing functionality until a patch is available. As a temporary workaround, avoid using the affected MQTT SUBSCRIBE packet functionality to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2017-2895

Affected Products

Mongoose

References · 5

• https://osv.dev/vulnerability/DEBIAN-CVE-2017-2895 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-2895 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-2895 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-2895 · Security Note
• https://talosintelligence.com/vulnerability_reports/TALOS-2017-0402 · Note