wolfSSL up to 5.5.1 TLS heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in wolfSSL up to 5.5.1. The impacted element is an unknown function of the component TLS Handler. Executing a manipulation can lead to heap-based overflow. This vulnerability is tracked as CVE-2022-42905. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in wolfSSL up to 5.5.1. This vulnerability affects an unknown code block of the component TLS Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In wolfSSL before 5.5.2, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS 1.3 client or network attacker can trigger a buffer over-read on the heap of 5 bytes. (WOLFSSL_CALLBACKS is only intended for debugging.)

The weakness was disclosed 11/07/2022. The advisory is available at wolfssl.com. This vulnerability was named CVE-2022-42905 since 10/13/2022. The technical details are unknown and an exploit is not available.

Upgrading to version 5.5.2 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: wolfSSL 5.5.2

Timelineinfo

10/13/2022 🔍
11/07/2022 +25 days 🔍
11/07/2022 +0 days 🔍
05/03/2025 +908 days 🔍

Sourcesinfo

Advisory: wolfssl.com
Status: Confirmed

CVE: CVE-2022-42905 (🔍)
GCVE (CVE): GCVE-0-2022-42905
GCVE (VulDB): GCVE-100-213022

Entryinfo

Created: 11/07/2022 10:23
Updated: 05/03/2025 05:45
Changes: 11/07/2022 10:23 (40), 05/03/2025 05:45 (26)
Complete: 🔍
Cache ID: 216::103

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