Samsung mTower up to 0.3.0 aes256_encrypt EVP_CIPHER_CTX_new null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung mTower up to 0.3.0. It has been rated as problematic. The affected element is the function aes256_encrypt. The manipulation of the argument EVP_CIPHER_CTX_new leads to null pointer dereference. This vulnerability is documented as CVE-2022-39829. There is not any exploit available.

Detailsinfo

A vulnerability was found in Samsung mTower up to 0.3.0 and classified as problematic. This issue affects the function aes256_encrypt. The manipulation of the argument EVP_CIPHER_CTX_new with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

There is a NULL pointer dereference in aes256_encrypt in Samsung mTower through 0.3.0 due to a missing check on the return value of EVP_CIPHER_CTX_new.

The weakness was released 09/05/2022 as 75. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-39829 since 09/05/2022. 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.

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

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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

09/05/2022 🔍
09/05/2022 +0 days 🔍
09/05/2022 +0 days 🔍
10/13/2022 +38 days 🔍

Sourcesinfo

Vendor: samsung.com
Product: github.com

Advisory: 75
Status: Confirmed

CVE: CVE-2022-39829 (🔍)
GCVE (CVE): GCVE-0-2022-39829
GCVE (VulDB): GCVE-100-207851

Entryinfo

Created: 09/05/2022 08:37
Updated: 10/13/2022 08:20
Changes: 09/05/2022 08:37 (40), 10/13/2022 08:20 (11)
Complete: 🔍
Cache ID: 216::103

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