// For flags

CVE-2023-41097

Potential Timing vulnerability in CBC PKCS7 padding calculations

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.

Una discrepancia de tiempo observable, vulnerabilidad de canal de tiempo oculto en Silabs GSDK en ARM potencialmente permite un ataque de Padding Oracle Crypto en CBC PKCS7. Este problema afecta a GSDK: hasta 4.4.0.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-08-23 CVE Reserved
  • 2023-12-21 CVE Published
  • 2024-09-25 CVE Updated
  • 2024-11-20 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-203: Observable Discrepancy
  • CWE-208: Observable Timing Discrepancy
  • CWE-327: Use of a Broken or Risky Cryptographic Algorithm
  • CWE-385: Covert Timing Channel
CAPEC
  • CAPEC-463: Padding Oracle Crypto Attack
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
https://github.com/SiliconLabs/gecko_sdk/releases 2024-01-03
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Silabs
Search vendor "Silabs"
 Gecko Software Development Kit
Search vendor "Silabs" for product "Gecko Software Development Kit"
 <= 4.4.0
Search vendor "Silabs" for product "Gecko Software Development Kit" and version " <= 4.4.0"
-
Affected