TOTOLINK EX200 4.0.3c.7646_B20201211 /cgi-bin/cstecgi.cgi loginauth http_host buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in TOTOLINK EX200 4.0.3c.7646_B20201211. It has been rated as critical. This affects the function loginauth of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument http_host causes buffer overflow. The identification of this vulnerability is CVE-2024-7336. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical was found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host 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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-7336. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit 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.

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

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.5

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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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: 🔍
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

07/31/2024 🔍
07/31/2024 +0 days 🔍
08/09/2024 +9 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2024-7336 (🔍)
GCVE (CVE): GCVE-0-2024-7336
GCVE (VulDB): GCVE-100-273259
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/31/2024 14:35
Updated: 08/09/2024 19:56
Changes: 07/31/2024 14:35 (57), 08/01/2024 06:40 (18), 08/01/2024 15:11 (1), 08/09/2024 19:56 (11)
Complete: 🔍
Submitter: yhryhryhr_tu
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #379314: TOTOLINK EX200 V4.0.3c.7646_B20201211 buffer overflow (by yhryhryhr_tu)

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

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