Security Resilience

CVE-2023-29088

Memory Safety in Samsung Exynos 5300 Firmware

Public PoCMemory Safety
Published
14 April 2023
Modified
07 February 2025
Patch / advisory
View advisory
CVSS Score v3.1 6.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score 0.0075 54th percentile
Risk Priority 51 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-29088 is a medium-severity Out-of-bounds Write (CWE-787) vulnerability in Samsung Exynos 5300 Firmware. Its CVSS base score is 6.8 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Security Account Manager (T1003.002); ranked in the top 46% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability Data

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…

more

decoding an SIP Session-Expires header.

CWE(s)
CWE-787

Related Threats

MITRE ATT&CK Enterprise Techniques

T1003.002 Security Account Manager Credential Access
Adversaries may attempt to extract credential material from the Security Account Manager (SAM) database either through in-memory techniques or through the Windows Registry where the SAM database is stored.
attack.mitre.org →
T1003.004 LSA Secrets Credential Access
Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different credential materials, such as credentials for service accounts.
attack.mitre.org →
T1003.008 /etc/passwd and /etc/shadow Credential Access
Adversaries may attempt to dump the contents of <code>/etc/passwd</code> and <code>/etc/shadow</code> to enable offline password cracking.
attack.mitre.org →
T1006 Direct Volume Access Stealth
Adversaries may directly access a volume to bypass file access controls and file system monitoring.
attack.mitre.org →
T1007 System Service Discovery Discovery
Adversaries may try to gather information about registered local system services.
attack.mitre.org →
T1012 Query Registry Discovery
Adversaries may interact with the Windows Registry to gather information about the system, configuration, and installed software.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-29087Same product: Samsung Exynos 1080
CVE-2023-29086Same product: Samsung Exynos 1080
CVE-2023-29090Same product: Samsung Exynos 1080
CVE-2023-29085Same product: Samsung Exynos 1080
CVE-2023-29091Same product: Samsung Exynos 1080
CVE-2023-26497Same product: Samsung Exynos 1080
CVE-2023-26498Same product: Samsung Exynos 1080
CVE-2023-26496Same product: Samsung Exynos 1080
CVE-2023-26074Same product: Samsung Exynos 1080
CVE-2023-26072Same product: Samsung Exynos 1080

Affected Assets

samsung
exynos 5300 firmware
all versions
samsung
exynos 5123 firmware
all versions
samsung
exynos 980 firmware
all versions
samsung
exynos 9110 firmware
all versions
samsung
exynos 1080 firmware
all versions
samsung
exynos auto t5123 firmware
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

ID.RA-01 partial match
blocks

Vulnerability scanning and recording can discover out-of-bounds write flaws so they can be remediated.

PR.PS-02 partial match
blocks

Patching or replacing vulnerable software directly eliminates known instances of this coding weakness.

PR.PS-06 partial match
blocks

Secure-development practices (static analysis, bounds checking, code review) are the primary means of preventing out-of-bounds writes.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.14 Information transfer partial match
removes
A.5.15 Access control partial match
removes
A.5.16 Identity management partial match
removes
A.5.17 Authentication information partial match
removes
A.5.18 Access rights partial match
removes
A.7.2 Physical entry partial match
removes

References