Tasmota CRtspSession.cpp ClientPortPtr stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Tasmota. This vulnerability affects unknown code in the library lib/libesp32/rtsp/CRtspSession.cpp. Such manipulation of the argument ClientPortPtr leads to stack-based overflow. This vulnerability is documented as CVE-2022-43294. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Tasmota (affected version not known) and classified as critical. Affected by this issue is some unknown functionality in the library lib/libesp32/rtsp/CRtspSession.cpp. The manipulation of the argument ClientPortPtr with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Tasmota before commit 066878da4d4762a9b6cb169fdf353e804d735cfd was discovered to contain a stack overflow via the ClientPortPtr parameter at lib/libesp32/rtsp/CRtspSession.cpp.

The weakness was released 11/15/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-43294 since 10/17/2022. There are known technical details, but no exploit is available.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-46338). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

10/17/2022 🔍
11/15/2022 +29 days 🔍
11/15/2022 +0 days 🔍
09/08/2026 +1393 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2022-43294 (🔍)
GCVE (CVE): GCVE-0-2022-43294
GCVE (VulDB): GCVE-100-213656
EUVD: 🔍

Entryinfo

Created: 11/15/2022 10:50
Updated: 09/08/2026 15:58
Changes: 11/15/2022 10:50 (39), 12/18/2022 12:09 (12), 05/01/2025 02:04 (15), 09/08/2026 15:58 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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