Schneider Electric Easergy P5 up to 01.401.102 HTTP Stack buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Schneider Electric Easergy P5 up to 01.401.102. This affects an unknown function of the component HTTP Stack. This manipulation causes buffer overflow. This vulnerability is tracked as CVE-2022-34756. The attack is possible to be carried out remotely. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Schneider Electric Easergy P5 up to 01.401.102 (SCADA Software) and classified as very critical. Affected by this vulnerability is an unknown functionality of the component HTTP Stack. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A CWE-120: Buffer Copy without Checking Size of Input vulnerability exists that could result in remote code execution or the crash of HTTPs stack which is used for the device Web HMI. Affected Products: Easergy P5 (V01.401.102 and prior)

The weakness was disclosed 07/14/2022 as SEVD-2022-193-04. It is possible to read the advisory at download.schneider-electric.com. This vulnerability is known as CVE-2022-34756 since 06/28/2022. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/14/2022).

Applying a patch is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.1

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (Schneider Electric SE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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: 🔍

Timelineinfo

06/28/2022 🔍
07/14/2022 +16 days 🔍
07/14/2022 +0 days 🔍
07/14/2022 +0 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2022-193-04
Status: Confirmed

CVE: CVE-2022-34756 (🔍)
GCVE (CVE): GCVE-0-2022-34756
GCVE (VulDB): GCVE-100-203827

Entryinfo

Created: 07/14/2022 07:54
Changes: 07/14/2022 07:54 (51)
Complete: 🔍
Cache ID: 216::103

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