xlnt-community xlnt Encrypted XLSX File base64.cpp decode_base64 off-by-one
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 4.8epss 0.2%
probabilidade de exploração
0.2%top 89% das CVEs
exploração observada
nãonenhuma fonte reporta
A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decode_base64 of the file source/detail/cryptography/base64.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to off-by-one. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This patch is called f2d7bf494e5c52706843cf7eb9892821bffb0734. Applying a patch is advised to resolve this issue.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Produtos afetados
xlnt-community · xlntReferências
https://github.com/oneafter/0128/blob/main/xl1/reprohttps://github.com/xlnt-community/xlnt/https://github.com/xlnt-community/xlnt/commit/f2d7bf494e5c52706843cf7eb9892821bffb0734https://github.com/xlnt-community/xlnt/issues/137https://vuldb.com/?ctiid.346649https://vuldb.com/?id.346649https://vuldb.com/?submit.754377