Cesanta Mongoose Embedded Web Server Library up to 6.13 mongoose.c mg_http_get_proto_data use after free

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

A vulnerability was found in Cesanta Mongoose Embedded Web Server Library up to 6.13 (Web Server) and classified as critical. This issue affects the function mg_http_get_proto_data of the file mongoose.c. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An invalid read of 8 bytes due to a use-after-free vulnerability during a "NULL test" in the mg_http_get_proto_data function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

The weakness was disclosed 06/10/2019. The identification of this vulnerability is CVE-2018-20353 since 12/22/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

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

Productinfo

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Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

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

12/22/2018 🔍
06/10/2019 +170 days 🔍
06/11/2019 +1 days 🔍
10/03/2023 +1575 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-20353 (🔍)

Entryinfo

Created: 06/11/2019 06:58
Updated: 10/03/2023 08:54
Changes: 06/11/2019 06:58 (38), 06/21/2020 17:07 (18), 10/03/2023 08:54 (3)
Complete: 🔍
Cache ID: 3:5D7:103

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