CVE-2022-39829

Exploit

EPSS 0.42%
Published 05.09.2022 04:15:08
Last modified 21.11.2024 07:18:20
Source cve@mitre.org
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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.

Affected products Warnungen 0 Metrics 2 CWE 1 References 6

Data is provided by the National Vulnerability Database (NVD)

Samsung ≫ Mtower Version <= 0.3.0

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.42%	0.61

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	7.5	3.9	3.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tools/ecdsa_keygen.c#L135

Third Party Advisory

Exploit

https://github.com/Samsung/mTower/issues/75

Third Party Advisory

Exploit

Issue Tracking

https://www.openssl.org/docs/manmaster/man3/EVP_CIPHER_CTX_new.html

Third Party Advisory

https://nvd.nist.gov/vuln/detail/CVE-2022-39829

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2022-39829

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2022-39829

EUVD