CVE-2023-29089

Shannon Baseband Negative-Size Memcpy / Out-Of-Bounds Read

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor and Modem for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos 9110, and Exynos Auto T5123. Memory corruption can occur due to insufficient parameter validation while decoding SIP multipart messages.

There is a negative-size memcpy (heap overflow) when decoding the body of SIP multipart messages. According to debug strings in the modem image, this functionality is implemented in IMSPL_SipFragDecode.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-03-31 CVE Reserved
2023-04-14 CVE Published
2024-04-20 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (2)

URL	Tag	Source
http://packetstormsecurity.com/files/172292/Shannon-Baseband-Negative-Size-Memcpy-Out-Of-Bounds-Read.html

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://semiconductor.samsung.com/support/quality-support/product-security-updates	2023-05-11

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Samsung Search vendor "Samsung"	Exynos 5300 Firmware Search vendor "Samsung" for product "Exynos 5300 Firmware"	-	-	Affected	in	Samsung Search vendor "Samsung"	Exynos 5300 Search vendor "Samsung" for product "Exynos 5300"	-	-	Safe
Samsung Search vendor "Samsung"	Exynos 5123 Firmware Search vendor "Samsung" for product "Exynos 5123 Firmware"	-	-	Affected	in	Samsung Search vendor "Samsung"	Exynos 5123 Search vendor "Samsung" for product "Exynos 5123"	-	-	Safe
Samsung Search vendor "Samsung"	Exynos 980 Firmware Search vendor "Samsung" for product "Exynos 980 Firmware"	-	-	Affected	in	Samsung Search vendor "Samsung"	Exynos 980 Search vendor "Samsung" for product "Exynos 980"	-	-	Safe
Samsung Search vendor "Samsung"	Exynos 9110 Firmware Search vendor "Samsung" for product "Exynos 9110 Firmware"	-	-	Affected	in	Samsung Search vendor "Samsung"	Exynos 9110 Search vendor "Samsung" for product "Exynos 9110"	-	-	Safe
Samsung Search vendor "Samsung"	Exynos 1080 Firmware Search vendor "Samsung" for product "Exynos 1080 Firmware"	-	-	Affected	in	Samsung Search vendor "Samsung"	Exynos 1080 Search vendor "Samsung" for product "Exynos 1080"	-	-	Safe
Samsung Search vendor "Samsung"	Exynos Auto T5123 Firmware Search vendor "Samsung" for product "Exynos Auto T5123 Firmware"	-	-	Affected	in	Samsung Search vendor "Samsung"	Exynos Auto T5123 Search vendor "Samsung" for product "Exynos Auto T5123"	-	-	Safe