Executive Summary

Informations
Name CVE-2024-7531 First vendor Publication 2024-08-06
Vendor Cve Last vendor Modification 2024-10-30

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

Calling `PK11_Encrypt()` in NSS using CKM_CHACHA20 and the same buffer for input and output can result in plaintext on an Intel Sandy Bridge processor. In Firefox this only affects the QUIC header protection feature when the connection is using the ChaCha20-Poly1305 cipher suite. The most likely outcome is connection failure, but if the connection persists despite the high packet loss it could be possible for a network observer to identify packets as coming from the same source despite a network path change. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-7531

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 661
Application 11

Sources (Detail)

https://bugzilla.mozilla.org/show_bug.cgi?id=1905691
https://www.mozilla.org/security/advisories/mfsa2024-33/
https://www.mozilla.org/security/advisories/mfsa2024-34/
https://www.mozilla.org/security/advisories/mfsa2024-35/
Source Url

Alert History

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Date Informations
2024-10-31 17:28:07
  • Multiple Updates
2024-10-31 00:28:16
  • Multiple Updates
2024-10-23 13:54:41
  • Multiple Updates
2024-10-23 02:59:18
  • Multiple Updates
2024-10-22 13:55:47
  • Multiple Updates
2024-08-12 21:27:29
  • Multiple Updates
2024-08-06 21:27:27
  • Multiple Updates
2024-08-06 17:27:26
  • First insertion