6.4
MEDIUM
CVE-2023-20834
Fujitsu PDA Use-After-Free local Privilege Escalation
Description

In pda, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07608514; Issue ID: ALPS07608514.

INFO

Published Date :

Sept. 4, 2023, 3:15 a.m.

Last Modified :

Nov. 21, 2024, 7:41 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.5
Affected Products

The following products are affected by CVE-2023-20834 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mediatek mt6879
2 Mediatek mt6886
3 Mediatek mt6895
4 Mediatek mt6985
5 Mediatek mt6983
6 Mediatek mt8781
7 Mediatek mt8188
8 Mediatek mt8195
9 Mediatek mt8175
10 Mediatek mt8365
1 Google android
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-20834.

URL Resource
https://corp.mediatek.com/product-security-bulletin/September-2023 Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/September-2023 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-20834 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-20834 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://corp.mediatek.com/product-security-bulletin/September-2023
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-362
    Added CWE CISA-ADP CWE-416
    Added CVSS V3.1 CISA-ADP AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Sep. 07, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://corp.mediatek.com/product-security-bulletin/September-2023 No Types Assigned https://corp.mediatek.com/product-security-bulletin/September-2023 Vendor Advisory
    Added CWE NIST CWE-362
    Added CWE NIST CWE-416
    Added CPE Configuration AND OR *cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* OR cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8175:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8365:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-20834 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-20834 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} -0.01%

score

0.05712

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability