bfabiszewski Libmobi up to 0.9 Mobi File mobi_buffer_getpointer null pointer dereference

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.
3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in bfabiszewski Libmobi up to 0.9. It has been rated as problematic. This issue affects the function mobi_buffer_getpointer of the component Mobi File Handler. The manipulation leads to null pointer dereference. The identification of this vulnerability is CVE-2022-29788. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

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.

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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

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: 🔍

Upgrade: Libmobi 0.10
Patch: ce0ab6586069791b1e8e2a42f44318e581c39939

Timelineinfo

04/25/2022 🔍
06/03/2022 +39 days 🔍
06/03/2022 +0 days 🔍
06/05/2022 +2 days 🔍

Sourcesinfo

Advisory: ce0ab6586069791b1e8e2a42f44318e581c39939
Status: Confirmed

CVE: CVE-2022-29788 (🔍)
GCVE (CVE): GCVE-0-2022-29788
GCVE (VulDB): GCVE-100-201076

Entryinfo

Created: 06/03/2022 07:47 AM
Updated: 06/05/2022 10:40 AM
Changes: 06/03/2022 07:47 AM (43), 06/05/2022 10:40 AM (1)
Complete: 🔍
Cache ID: 18:BE9:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!