exceljs through 4.4.0 Uncontrolled Resource Consumption via Unbounded xlsx Decompression
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.7epss 0.4%
probabilidade de exploração
0.4%top 62% das CVEs
exploração observada
nãonenhuma fonte reporta
exceljs through 4.4.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compression ratio. Attackers can upload highly compressed workbooks that expand to gigabytes in memory, exhausting available resources and causing denial of service.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Produtos afetados
exceljs · exceljsReferências
https://github.com/exceljs/exceljshttps://github.com/exceljs/exceljs/blob/v4.4.0/lib/xlsx/xlsx.js#L257-L281https://github.com/mateocallec/exceljs-hardened/security/advisories/GHSA-7cvf-3r55-r39qhttps://www.vulncheck.com/advisories/exceljs-through-uncontrolled-resource-consumption-via-unbounded-xlsx-decompression