Qualcomm WSA8835 Boot buffer over-read

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.
5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Qualcomm AQT1000, AR8031, AR8035, CSRA6620, CSRA6640, CSRB31024, FSM10056, MDM9150, MDM9205, QAM8295P, QCA4004, QCA6174A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595, QCA6595AU, QCA6696, QCA8081, QCA8337, QCA9377, QCA9984, QCM2290, QCM4290, QCM6125, QCM6490, QCN6024, QCN7606, QCN9011, QCN9012, QCN9024, QCN9074, QCS2290, QCS405, QCS410, QCS4290, QCS603, QCS605, QCS610, QCS6125, QCS6490, QCS8155, QCX315, QRB5165, QRB5165M, QRB5165N, QSM8250, QSM8350, SA4150P, SA4155P, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SA8540P, SA9000P, SC8180X+SDX55, SD 675, SD 8 Gen1 5G, SD 8CX, SD 8cx Gen2, SD 8cx Gen3, SD460, SD480, SD660, SD662, SD665, SD670, SD675, SD678, SD680, SD690 5G, SD695, SD710, SD712, SD720G, SD730 and SD750G and classified as problematic. This affects an unknown function of the component Boot. Such manipulation leads to buffer over-read. This vulnerability is documented as CVE-2022-40518. The attack needs to be performed locally. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Qualcomm AQT1000, AR8031, AR8035, CSRA6620, CSRA6640, CSRB31024, FSM10056, MDM9150, MDM9205, QAM8295P, QCA4004, QCA6174A, QCA6310, QCA6320, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6564, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6595, QCA6595AU, QCA6696, QCA8081, QCA8337, QCA9377, QCA9984, QCM2290, QCM4290, QCM6125, QCM6490, QCN6024, QCN7606, QCN9011, QCN9012, QCN9024, QCN9074, QCS2290, QCS405, QCS410, QCS4290, QCS603, QCS605, QCS610, QCS6125, QCS6490, QCS8155, QCX315, QRB5165, QRB5165M, QRB5165N, QSM8250, QSM8350, SA4150P, SA4155P, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SA8540P, SA9000P, SC8180X+SDX55, SD 675, SD 8 Gen1 5G, SD 8CX, SD 8cx Gen2, SD 8cx Gen3, SD460, SD480, SD660, SD662, SD665, SD670, SD675, SD678, SD680, SD690 5G, SD695, SD710, SD712, SD720G, SD730 and SD750G. Affected by this issue is an unknown code of the component Boot. The manipulation with an unknown input leads to a buffer over-read vulnerability. Using CWE to declare the problem leads to CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Information disclosure due to buffer overread in Core

The weakness was released 01/09/2023. The advisory is shared for download at qualcomm.com. This vulnerability is handled as CVE-2022-40518 since 09/12/2022. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (Qualcomm, Inc.): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Buffer over-read
CWE: CWE-126 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/12/2022 🔍
01/09/2023 +119 days 🔍
01/09/2023 +0 days 🔍
04/09/2025 +821 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Confirmed

CVE: CVE-2022-40518 (🔍)
GCVE (CVE): GCVE-0-2022-40518
GCVE (VulDB): GCVE-100-217676

Entryinfo

Created: 01/09/2023 14:33
Updated: 04/09/2025 18:35
Changes: 01/09/2023 14:33 (48), 01/30/2023 12:47 (11), 04/09/2025 18:35 (15)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!