Executive Summary

Informations
Name CVE-2018-6337 First vendor Publication 2018-12-31
Vendor Cve Last vendor Modification 2019-10-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6337

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 4

Sources (Detail)

Source Url
MISC https://github.com/facebook/folly/commit/8e927ee48b114c8a2f90d0cbd5ac753795a6...
https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaadd81169bcb9ae86c5d6b8
https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html

Alert History

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Date Informations
2021-05-05 01:32:08
  • Multiple Updates
2021-05-04 13:20:22
  • Multiple Updates
2021-04-22 02:35:25
  • Multiple Updates
2020-05-24 01:26:31
  • Multiple Updates
2020-05-23 02:19:47
  • Multiple Updates
2020-05-23 01:18:48
  • Multiple Updates
2019-10-10 05:20:45
  • Multiple Updates
2019-01-01 00:21:59
  • First insertion