VDB-218449 · CVE-2022-47630 · GCVE-0-2022-47630

Trusted Firmware-A up to 2.8 X.509 Parser out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Trusted Firmware-A up to 2.8. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component X.509 Parser. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2022-47630. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Trusted Firmware-A up to 2.8 (Firmware Software). Affected by this vulnerability is an unknown function of the component X.509 Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural state.

The weakness was shared 01/16/2023. The advisory is shared at trustedfirmware-a.readthedocs.io. This vulnerability is known as CVE-2022-47630 since 12/20/2022. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

Firmware Software

Name

Trusted Firmware-A

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

ADP CISA Base Score: 7.4
ADP CISA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/20/2022 🔍
01/16/2023 +27 days 🔍
01/16/2023 +0 days 🔍
06/06/2026 +1236 days 🔍

Sourcesinfo

Advisory: trustedfirmware-a.readthedocs.io
Status: Confirmed

CVE: CVE-2022-47630 (🔍)
GCVE (CVE): GCVE-0-2022-47630
GCVE (VulDB): GCVE-100-218449

Entryinfo

Created: 01/16/2023 19:42
Updated: 06/06/2026 00:54
Changes: 01/16/2023 19:42 (15), 01/16/2023 19:43 (23), 02/09/2023 08:23 (11), 11/27/2024 21:15 (16), 06/06/2026 00:54 (11)
Complete: 🔍
Cache ID: 216::103