CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.6 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Huawei HiSilicon (the affected version is unknown). Affected by this vulnerability is the function printf
. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 09/15/2020 by Alexei Kojenov as not defined advisory (Website). The advisory is shared at kojenov.com. The public release happened without involvement of Huawei. The advisory contains:
This article discloses critical vulnerabilities in IPTV/H.264/H.265 video encoders based on HiSilicon hi3520d hardware.This vulnerability is known as CVE-2020-24214. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.
A public exploit has been developed by Alexei Kojenov and been published immediately after the advisory. It is possible to download the exploit at kojenov.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. 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.
Entries connected to this vulnerability are available at 161637, 161638, 161639 and 161640.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
Video
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Alexei Kojenov
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
09/15/2020 🔍09/15/2020 🔍
09/17/2020 🔍
09/19/2020 🔍
09/19/2020 🔍
Sources
Vendor: huawei.comAdvisory: kojenov.com
Researcher: Alexei Kojenov
Status: Not defined
Confirmation: 🔍
Disputed: 🔍
CVE: CVE-2020-24214 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 09/19/2020 17:17Updated: 09/19/2020 17:22
Changes: 09/19/2020 17:17 (52), 09/19/2020 17:22 (1)
Complete: 🔍
Cache ID: 3:D3B:103
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