Das U-Boot up to 2022.07-rc3 sqfs_readdir out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Das U-Boot up to 2022.07-rc3. This affects the function sqfs_readdir. Such manipulation leads to out-of-bounds write.
This vulnerability is traded as CVE-2022-33103. There is no exploit available.
Details
A vulnerability was found in Das U-Boot up to 2022.07-rc3. It has been rated as critical. Affected by this issue is the function sqfs_readdir. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readdir().
The weakness was shared 07/01/2022. The advisory is shared for download at lore.kernel.org. This vulnerability is handled as CVE-2022-33103 since 06/13/2022. There are known technical details, but no exploit is available.
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.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Tenable (235044). Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.6
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
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Nessus ID: 235044
Nessus Name: Debian dla-4150 : u-boot - security update
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
06/13/2022 🔍07/01/2022 🔍
07/01/2022 🔍
11/04/2025 🔍
Sources
Advisory: lore.kernel.orgStatus: Not defined
CVE: CVE-2022-33103 (🔍)
GCVE (CVE): GCVE-0-2022-33103
GCVE (VulDB): GCVE-100-203084
Entry
Created: 07/01/2022 17:07Updated: 11/04/2025 15:26
Changes: 07/01/2022 17:07 (37), 07/18/2022 07:18 (18), 05/01/2025 17:12 (16), 11/04/2025 15:26 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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