Cesanta Mongoose 7.0 Connection Request mg_http_serve_file out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cesanta Mongoose 7.0 and classified as critical. The affected element is the function mg_http_serve_file of the component Connection Request Handler. This manipulation causes out-of-bounds write. This vulnerability is tracked as CVE-2021-26528. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Cesanta Mongoose 7.0. Affected by this vulnerability is the function mg_http_serve_file of the component Connection Request Handler. 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 confidentiality, integrity, and availability.

The weakness was disclosed 02/09/2021. The advisory is shared at github.com. This vulnerability is known as CVE-2021-26528. Technical details are known, 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.

Several companies clearly confirm that VulDB is the primary source for best 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: 7.7
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/01/2021 🔍
02/09/2021 +8 days 🔍
02/09/2021 +0 days 🔍
02/25/2021 +16 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2021-26528 (🔍)
GCVE (CVE): GCVE-0-2021-26528
GCVE (VulDB): GCVE-100-169417

Entryinfo

Created: 02/09/2021 09:28
Updated: 02/25/2021 17:35
Changes: 02/09/2021 09:28 (37), 02/25/2021 17:32 (2), 02/25/2021 17:35 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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