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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2022-43705 |
In Botan before 2.19.3, it is possible to forge OCSP responses due to a certificate verification error. This issue was introduced in Botan 1.11.34 (November 2016). Published: November 26, 2022; 11:15:10 PM -0500 |
V4.0:(not available) V3.1: 9.1 CRITICAL V2.0:(not available) |
CVE-2021-40529 |
The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP. Published: September 06, 2021; 3:15:07 PM -0400 |
V4.0:(not available) V3.1: 5.9 MEDIUM V2.0: 2.6 LOW |
CVE-2021-24115 |
In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex). Published: February 21, 2021; 9:15:14 PM -0500 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0: 7.5 HIGH |
CVE-2018-20187 |
A side-channel issue was discovered in Botan before 2.9.0. An attacker capable of precisely measuring the time taken for ECC key generation may be able to derive information about the high bits of the secret key, as the function to derive the public point from the secret scalar uses an unblinded Montgomery ladder whose loop iteration count depends on the bitlength of the secret. This issue affects only key generation, not ECDSA signatures or ECDH key agreement. Published: March 08, 2019; 2:29:00 PM -0500 |
V4.0:(not available) V3.0: 5.9 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2018-12435 |
Botan 2.5.0 through 2.6.0 before 2.7.0 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP, related to dsa/dsa.cpp, ec_group/ec_group.cpp, and ecdsa/ecdsa.cpp. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host. Published: June 14, 2018; 10:29:00 PM -0400 |
V4.0:(not available) V3.0: 5.9 MEDIUM V2.0: 1.9 LOW |