PT-2022-25019 · Samsung · Samsung Mtower

Published 2022-09-05 · Updated 2022-09-08 · CVE-2022-39829

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Samsung mTower versions 0.3.0 and earlier

Description The issue is related to a NULL pointer dereference in the aes256 encrypt function due to a missing check on the return value of EVP CIPHER CTX new.

Recommendations For Samsung mTower versions 0.3.0 and earlier, consider applying a patch that includes a check on the return value of EVP CIPHER CTX new to prevent the NULL pointer dereference. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2022-39829

Affected Products

Samsung Mtower

References · 6

• 🔥 https://github.com/Samsung/mTower/issues/75 · Exploit
• 🔥 https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tools/ecdsa_keygen.c#L135 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-39829 · Security Note
• https://osv.dev/vulnerability/CVE-2022-39829 · Vendor Advisory
• https://t.me/cibsecurity/49278 · Telegram Post
• https://openssl.org/docs/manmaster/man3/EVP_CIPHER_CTX_new.html · Note