CVE-2020-27539

CRITICAL

9.8

Description

Heap overflow with full parsing of HTTP respose in Rostelecom CS-C2SHW 5.0.082.1. AgentUpdater service has a self-written HTTP parser and builder. HTTP parser has a heap buffer overflow (OOB write). In default configuration camera parses responses only from HTTPS URLs from config file, so vulnerable code is unreachable and one more bug required to reach it.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/26/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

company:cs-c2shwcompany:cs-c2shw_firmware

Weaknesses (CWE)

CWE-787

References

https://dil4rd.medium.com/groundhog-day-in-iot-valley-or-5-cves-in-1-camera-7dc1d2864707(cve@mitre.org)

https://dil4rd.medium.com/groundhog-day-in-iot-valley-or-5-cves-in-1-camera-7dc1d2864707(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.