cbcvebase.
CVE-2020-25657
published 2021-01-12

CVE-2020-25657: A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed…

medium5.9CVSS 3.1
AVNACHPRNUINSUCHINAN
A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.

Affected

13 ranges
VendorProductVersion rangeFixed in
debianm2crypto< m2crypto 0.38.0-4 (bookworm)m2crypto 0.38.0-4 (bookworm)
fedoraprojectfedora
msrcazl3_m2crypto_0.38.0-3_on_azure_linux_3.0
msrcazl3_m2crypto_0.38.0-4_on_azure_linux_3.0
msrcazure_linux_3.0_arm
msrcazure_linux_3.0_x64
msrccbl2_m2crypto_0.38.0-3_on_cbl_mariner_2.0
msrccbl_mariner_2.0_arm
msrccbl_mariner_2.0_x64
msrccm1_m2crypto_0.35.2-8_on_cbl_mariner_1.0
redhatenterprise_linux
redhatenterprise_linux
redhatvirtualization

CVSS provenance

nvdv3.15.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
ghsa5.9MEDIUM
osv5.9MEDIUM