Schneider Electric X80 Advanced RTU Communication Module HTTP Header Parser out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Schneider Electric X80 Advanced RTU Communication Module and OPC UA Modicon Communication Module. This impacts an unknown function of the component HTTP Header Parser. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2022-34759. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Schneider Electric X80 Advanced RTU Communication Module and OPC UA Modicon Communication Module (SCADA Software) (version now known). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component HTTP Header Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

A CWE-787: Out-of-bounds Write vulnerability exists that could cause a denial of service of the webserver due to improper parsing of the HTTP Headers. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V1.0), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)

The weakness was shared 07/14/2022 as SEVD-2022-193-01. It is possible to read the advisory at download.schneider-electric.com. This vulnerability is known as CVE-2022-34759 since 06/28/2022. The technical details are unknown and an exploit is not publicly available.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Schneider Electric SE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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-2022-193-01
Status: Confirmed

CVE: CVE-2022-34759 (🔍)
GCVE (CVE): GCVE-0-2022-34759
GCVE (VulDB): GCVE-100-203839

Entryinfo

Created: 07/14/2022 08:29
Changes: 07/14/2022 08:29 (50)
Complete: 🔍
Cache ID: 216::103

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