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Advisories

Grav before 2.0.1 Decompression Bomb via ZipArchiver

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severity
medium
date
Affecting

  • grav >= 0, < 2.0.1

CWE
  • CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
alienkeric
Description
Grav before 2.0.1 contains a decompression bomb vulnerability in ZipArchiver::extract() that lacks limits on uncompressed size, file count, and nesting depth. Attackers can supply a crafted ZIP archive that expands to fill available disk space, causing denial of service by exhausting storage resources.

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