CVE-2020-1892 (GCVE-0-2020-1892)

Vulnerability from cvelistv5 – Published: 2020-03-03 15:00 – Updated: 2024-08-04 06:53
VLAI?
Summary
Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.
Severity ?
No CVSS data available.
CWE
  • CWE-125 - Out-of-bounds Read (CWE-125)
Assigner
References
Impacted products
Vendor Product Version
Facebook HHVM Affected: 4.45.1
Affected: 4.45.0
Affected: 4.44.1
Affected: 4.44.0
Affected: 4.43.1
Affected: 4.43.0
Affected: 4.42.1
Affected: 4.42.0
Affected: 4.41.1
Affected: 4.41.0
Affected: 4.40.1
Affected: 4.40.0
Affected: 4.39.1
Affected: 4.39.0
Affected: 4.38.1
Affected: 4.33.0 , < unspecified (custom)
Affected: 4.32.1
Affected: 4.9.0 , < unspecified (custom)
Affected: 4.8.7
Affected: unspecified , ≤ 4.8.6 (custom)
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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.