bfabiszewski Libmobi up to 0.9 Mobi File mobi_buffer_getpointer null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.4 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in bfabiszewski Libmobi up to 0.9. The impacted element is the function mobi_buffer_getpointer of the component Mobi File Handler. Executing a manipulation can lead to null pointer dereference.
This vulnerability is handled as CVE-2022-29788. There is not any exploit available.
It is advisable to upgrade the affected component.
Details
A vulnerability was found in bfabiszewski Libmobi up to 0.9. It has been declared as problematic. This vulnerability affects the function mobi_buffer_getpointer of the component Mobi File Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.
The weakness was released 06/03/2022 as ce0ab6586069791b1e8e2a42f44318e581c39939. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-29788 since 04/25/2022. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 242341 (Ubuntu 22.04 LTS : Libmobi vulnerabilities (USN-7638-1)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 0.10 eliminates this vulnerability. Applying the patch ce0ab6586069791b1e8e2a42f44318e581c39939 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the vulnerability database at Tenable (242341). Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 242341
Nessus Name: Ubuntu 22.04 LTS : Libmobi vulnerabilities (USN-7638-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Libmobi 0.10
Patch: ce0ab6586069791b1e8e2a42f44318e581c39939
Timeline
04/25/2022 🔍06/03/2022 🔍
06/03/2022 🔍
07/19/2025 🔍
Sources
Product: github.comAdvisory: ce0ab6586069791b1e8e2a42f44318e581c39939
Status: Confirmed
CVE: CVE-2022-29788 (🔍)
GCVE (CVE): GCVE-0-2022-29788
GCVE (VulDB): GCVE-100-201076
Entry
Created: 06/03/2022 07:47Updated: 07/19/2025 15:26
Changes: 06/03/2022 07:47 (43), 06/05/2022 10:40 (1), 07/19/2025 15:26 (16)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.