Huawei HiSilicon RTSP Stream information disclosure

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3.0$0-$5k1.36

A vulnerability, which was classified as problematic, has been found in Huawei HiSilicon (affected version not known). Affected by this issue is an unknown code block of the component RTSP Stream Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. Impacted is confidentiality.

The weakness was disclosed 09/15/2020 by Alexei Kojenov as not defined advisory (Website). The advisory is available at kojenov.com. The vendor was not involved in the coordination of the public release. The advisory contains:

This article discloses critical vulnerabilities in IPTV/H.264/H.265 video encoders based on HiSilicon hi3520d hardware.
This vulnerability is handled as CVE-2020-24216. Local access is required to approach this attack. The requirement for exploitation is a simple authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Alexei Kojenov and been published immediately after the advisory. It is declared as proof-of-concept. The exploit is available at kojenov.com. The real existence of this vulnerability is still doubted at the moment.

The advisory contains the following remark:

Huawei issued a statement saying that none of the vulnerabilities have been introduced by HiSilicon chips and SDK packages.

The entries 161637, 161638, 161639 and 161640 are pretty similar.

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VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Information disclosure (CWE-200)
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Author: Alexei Kojenov
Download: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒
Exploit Delay Time: 🔍

Timelineinfoedit

09/15/2020 Advisory disclosed
09/15/2020 +0 days Exploit disclosed
09/17/2020 +2 days Vendor acknowledged
09/19/2020 +2 days VulDB entry created
09/19/2020 +0 days VulDB last update

Sourcesinfoedit

Vendor: https://www.huawei.com/

Advisory: kojenov.com
Researcher: Alexei Kojenov
Status: Not defined
Confirmation: 🔒
Disputed: 🔍

CVE: CVE-2020-24216 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔒

Entryinfoedit

Created: 09/19/2020 05:18 PM
Changes: (1) vulnerability_cwe
Complete: 🔍

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