Vulnerability Database

314,343

Total vulnerabilities in the database

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: Jun 15, 2018
  • Updated: Nov 9, 2025
  • CVE: CVE-2018-12435
  • Severity: Low
  • Exploit:

CVSS v2:

  • Severity: Low
  • Score: 1.9
  • AV:L/AC:M/Au:N/C:P/I:N/A:N

CWEs: