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CVE PROGRAM SOURCE RECORDUnscored

CVE-2020-1917

xbuf_format_converter, used as part of exif_read_data, was appending a terminating null character to the generated string, but was not using its standard append char function. As a

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Status
Published
Published
Updated
Assigning organization
facebook

Description

xbuf_format_converter, used as part of exif_read_data, was appending a terminating null character to the generated string, but was not using its standard append char function. As a result, if the buffer was full, it would result in an out-of-bounds write. 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