H3C Magic B1STV100R012 POST Request UpdateWanMode stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in H3C Magic B1STV100R012. It has been declared as critical. This vulnerability affects the function UpdateWanMode of the component POST Request Handler. Such manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2023-34932. No exploit exists.

Detailsinfo

A vulnerability was found in H3C Magic B1STV100R012. It has been rated as problematic. Affected by this issue is the function UpdateWanMode of the component POST Request Handler. The manipulation 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 availability. CVE summarizes:

A stack overflow in the UpdateWanMode function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

The weakness was disclosed 06/28/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-34932 since 06/07/2023. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-38971). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/07/2023 🔍
06/28/2023 +21 days 🔍
06/28/2023 +0 days 🔍
01/10/2026 +927 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-34932 (🔍)
GCVE (CVE): GCVE-0-2023-34932
GCVE (VulDB): GCVE-100-232532
EUVD: 🔍

Entryinfo

Created: 06/28/2023 19:05
Updated: 01/10/2026 11:05
Changes: 06/28/2023 19:05 (39), 01/10/2026 11:05 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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