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CVE-2018-12435 Detail

Description

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.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://botan.randombit.net/security.html Third Party Advisory 
https://botan.randombit.net/security.html Third Party Advisory 
https://github.com/randombit/botan/commit/48fc8df51d99f9d8ba251219367b3d629cc848e3 Patch  Third Party Advisory 
https://github.com/randombit/botan/commit/48fc8df51d99f9d8ba251219367b3d629cc848e3 Patch  Third Party Advisory 
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ Exploit  Third Party Advisory 
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ Exploit  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-12435
NVD Published Date:
06/14/2018
NVD Last Modified:
11/20/2024
Source:
MITRE