Das U-Boot up to 2022.04/2022.07-rc2 Incorrect Fix CVE-2019-14196 net/nfs.c nfs_lookup_reply buffer overflow

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.
7.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Das U-Boot up to 2022.04/2022.07-rc2. The affected element is the function nfs_lookup_reply of the file net/nfs.c of the component Incorrect Fix CVE-2019-14196. The manipulation leads to buffer overflow. This vulnerability is documented as CVE-2022-30767. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Das U-Boot up to 2022.04/2022.07-rc2 and classified as critical. This issue affects the function nfs_lookup_reply of the file net/nfs.c of the component Incorrect Fix CVE-2019-14196. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was released 05/16/2022. It is possible to read the advisory at securitylab.github.com. The identification of this vulnerability is CVE-2022-30767 since 05/16/2022. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 235044 (Debian dla-4150 : u-boot - security update), which helps to determine the existence of the flaw in a target environment.

Applying the patch 5d14ee4e53a81055d34ba280cb8fd90330f22a96 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (235044). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 235044
Nessus Name: Debian dla-4150 : u-boot - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 5d14ee4e53a81055d34ba280cb8fd90330f22a96

Timelineinfo

05/16/2022 🔍
05/16/2022 +0 days 🔍
05/16/2022 +0 days 🔍
11/04/2025 +1268 days 🔍

Sourcesinfo

Advisory: 5d14ee4e53a81055d34ba280cb8fd90330f22a96
Status: Confirmed

CVE: CVE-2022-30767 (🔍)
GCVE (CVE): GCVE-0-2022-30767
GCVE (VulDB): GCVE-100-199931

Entryinfo

Created: 05/16/2022 07:33
Updated: 11/04/2025 13:51
Changes: 05/16/2022 07:33 (41), 05/18/2022 09:02 (2), 05/01/2025 17:12 (16), 11/04/2025 13:51 (19)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!