Home/CVE/In preloader, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation
CVE

CVE-2023-20696

In preloader, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation

In preloader, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only)

Issue ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only).

MEDIUM · CVSS 6.7 EPSS 0.00015
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
google androidall versions
openwrtall versions
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · security@mediatek.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 May 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
android-securityANDROID-2023-05-01High
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://corp.mediatek.com/product-security-bulletin/May-2023Vendor Advisory
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