Huawei HiSilicon printf memory corruption ⚔ [Disputed]

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Huawei HiSilicon. The impacted element is the function printf. This manipulation causes memory corruption. This vulnerability is handled as CVE-2020-24214. The attack can be initiated remotely. Additionally, an exploit exists. There are still doubts about whether this vulnerability truly exists.

Detailsinfo

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.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48903). Entries connected to this vulnerability are available at VDB-161637, VDB-161638, VDB-161639 and VDB-161640. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

Video

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

09/15/2020 🔍
09/15/2020 +0 days 🔍
09/17/2020 +2 days 🔍
09/19/2020 +2 days 🔍
07/14/2024 +1394 days 🔍

Sourcesinfo

Vendor: huawei.com

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

CVE: CVE-2020-24214 (🔍)
GCVE (CVE): GCVE-0-2020-24214
GCVE (VulDB): GCVE-100-161641
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 09/19/2020 17:17
Updated: 07/14/2024 04:23
Changes: 09/19/2020 17:17 (52), 09/19/2020 17:22 (1), 07/14/2024 04:23 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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