Tasmota CRtspSession.cpp ClientPortPtr stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.5$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.

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 🔍
05/01/2025 +898 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

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

Entryinfo

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

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