National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-12437 Detail

Current Description

LibTomCrypt through 1.18.1 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 4.9 MEDIUM
Vector:  CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ Exploit Technical Description Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Information Exposure NIST  
CWE-320 Key Management Errors NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:botan_project:botan:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cryptlib:cryptlib:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:libgcrypt:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:google:boringssl:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:libsunec_project:libsunec:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.18.1
 cpe:2.3:a:matrixssl:matrixssl:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mozilla:network_security_services:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openbsd:libressl:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openssl:openssl:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:wolfssl:wolfcrypt:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-12437
NVD Published Date:
06/14/2018
NVD Last Modified:
08/09/2018