Vulnerability CVE-2021-25488

Vulnerability Name:

CVE-2021-25488 (CCN-210852)

Assigned:

2021-10-06

Published:

2021-10-06

Updated:

2021-10-13

Summary:

Lack of boundary checking of a buffer in recv_data() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read.

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-125

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2021-25488

Source: XF
Type: UNKNOWN
samsung-cve202125488-code-exec(210852)

Source: MISC
Type: Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10

Source: CCN
Type: Samsung Mobile Web site
Samsung Mobile

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:android:8.1:*:*:*:*:*:*:*

OR cpe:/o:google:android:9.0:*:*:*:*:*:*:*

OR cpe:/o:google:android:10.0:*:*:*:*:*:*:*

OR cpe:/o:google:android:11.0:*:*:*:*:*:*:*

AND

cpe:/h:samsung:exynos:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

BACK