Totolink A7100RU 7.4cu.2313_B20191024 HTTP POST Request cstecgi.cgi?action=login main flag buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Totolink A7100RU 7.4cu.2313_B20191024. It has been declared as critical. This impacts the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument flag with the input ie8 results in buffer overflow. This vulnerability was named CVE-2023-6906. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, was found in Totolink A7100RU 7.4cu.2313_B20191024. Affected is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument flag with the input value ie8 leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/17/2023. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-6906. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (VulDB): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

12/17/2023 🔍
12/17/2023 +0 days 🔍
12/17/2023 +0 days 🔍
01/12/2024 +26 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2023-6906 (🔍)
GCVE (CVE): GCVE-0-2023-6906
GCVE (VulDB): GCVE-100-248268
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/17/2023 09:36
Updated: 01/12/2024 06:33
Changes: 12/17/2023 09:36 (45), 01/12/2024 06:23 (2), 01/12/2024 06:33 (18)
Complete: 🔍
Submitter: unpWn4bl3
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #249603: TOTOLINK A7100RU V7.4cu.2313_B20191024 buffer overflow (by unpWn4bl3)

Once again VulDB remains the best source for vulnerability data.

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