PT-2023-18258 · Unknown · Shannon Baseband

Nevv And Vang3Lis@Varas · Published 2023-05-04 · Updated 2023-05-11 · CVE-2023-21503

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Shannon baseband versions prior to SMR May-2023 Release 1

Description The issue is related to a potential buffer overflow vulnerability in the mm LteInterRatManagement.c file. This vulnerability allows remote attackers to cause invalid memory access.

Recommendations For versions prior to SMR May-2023 Release 1, update to SMR May-2023 Release 1 or later to resolve the issue. As a temporary workaround, consider restricting access to the mm LteInterRatManagement.c file until a patch is available.

Fix

RCE

Buffer Overflow

Weakness Enumeration

CWE-20

CWE-120

Related Identifiers

CVE-2023-21503

Affected Products

Shannon Baseband

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2023-21503 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21503 · Vendor Advisory
• https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05 · Vendor Advisory
• https://t.me/cvenotify/50203 · Telegram Post
• https://t.me/cibsecurity/63331 · Telegram Post