Libmobi memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Libmobi (affected version not known). Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/19/2021. The advisory is shared for download at huntr.dev. This vulnerability is handled as CVE-2021-3889 since 10/15/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Applying the patch bec783e6212439a335ba6e8df7ab8ed610ca9a21 is able to eliminate this problem. The bugfix is ready for download at github.com.

The entry VDB-184487 is pretty similar.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.1
CNA Vector (huntr.dev): 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: bec783e6212439a335ba6e8df7ab8ed610ca9a21

Timelineinfo

10/15/2021 🔍
10/19/2021 +4 days 🔍
10/19/2021 +0 days 🔍
10/22/2021 +3 days 🔍

Sourcesinfo

Advisory: bec783e6212439a335ba6e8df7ab8ed610ca9a21
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-3889 (🔍)
See also: 🔍

Entryinfo

Created: 10/19/2021 06:10 PM
Updated: 10/22/2021 08:17 PM
Changes: 10/19/2021 06:10 PM (47), 10/22/2021 08:17 PM (3)
Complete: 🔍
Cache ID: 98:D6E:40

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