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CVE PROGRAM SOURCE RECORDUnscored

CVE-2020-1918

In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue a

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Status
Published
Published
Updated
Assigning organization
facebook

Description

In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Facebook HHVM

  • 4.98.1 to < unspecifiedunaffected
  • 4.98.0affected
  • 4.97.1 to < unspecifiedunaffected
  • 4.97.0affected
  • 4.96.1 to < unspecifiedunaffected
  • 4.96.0affected
  • 4.95.1 to < unspecifiedunaffected
  • 4.95.0affected
  • 4.94.1 to < unspecifiedunaffected
  • 4.94.0affected
  • 4.93.2 to < unspecifiedunaffected
  • 4.81.0 to < unspecifiedaffected
  • 4.80.2 to < unspecifiedunaffected
  • 4.57.0 to < unspecifiedaffected
  • 4.56.3 to < unspecifiedunaffected
  • unspecified to < 4.56.3affected

References