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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.
Metrics
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OR
*cpe:2.3:a:botan_project:botan:-:*:*:*:*:*:*:*
*cpe:2.3:a:cryptlib:cryptlib:-:*:*:*:*:*:*:*
*cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.10
*cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* versions from (including) 1.8.0 up to (excluding) 1.8.3
*cpe:2.3:a:google:boringssl:-:*:*:*:*:*:*:*
*cpe:2.3:a:libsunec_project:libsunec:-:*:*:*:*:*:*:*
*cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:* versions up to (including) 1.18.1
*cpe:2.3:a:m
OR
*cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:* versions up to (including) 1.18.1
OR
*cpe:2.3:a:botan_project:botan:-:*:*:*:*:*:*:*
*cpe:2.3:a:cryptlib:cryptlib:-:*:*:*:*:*:*:*
*cpe:2.3:a:gnupg:libgcrypt:-:*:*:*:*:*:*:*
*cpe:2.3:a:google:boringssl:-:*:*:*:*:*:*:*
*cpe:2.3:a:libsunec_project:libsunec:-:*:*:*:*:*:*:*
*cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:* versions up to (including) 1.18.1
*cpe:2.3:a:matrixssl:matrixssl:-:*:*:*:*:*:*:*
*cpe:2.3:a:mozilla:network_security_services:-:*:*:*:*:*:*:*
*cpe:2.3:a:openbsd:libressl:-:*:
OR
*cpe:2.3:a:botan_project:botan:-:*:*:*:*:*:*:*
*cpe:2.3:a:cryptlib:cryptlib:-:*:*:*:*:*:*:*
*cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.10
*cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* versions from (including) 1.8.0 up to (excluding) 1.8.3
*cpe:2.3:a:google:boringssl:-:*:*:*:*:*:*:*
*cpe:2.3:a:libsunec_project:libsunec:-:*:*:*:*:*:*:*
*cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:* versions up to (including) 1.18.1
*cpe:2.3:a:m
Removed
CVSS V3
NIST AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Added
CVSS V3.1
NIST AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Removed
CWE
NIST CWE-320
Changed
Reference Type
https://security.gentoo.org/glsa/202007-53 No Types Assigned
https://security.gentoo.org/glsa/202007-53 Third Party Advisory
OR
*cpe:2.3:a:botan_project:botan:-:*:*:*:*:*:*:*
*cpe:2.3:a:cryptlib:cryptlib:-:*:*:*:*:*:*:*
*cpe:2.3:a:gnupg:libgcrypt:-:*:*:*:*:*:*:*
*cpe:2.3:a:google:boringssl:-:*:*:*:*:*:*:*
*cpe:2.3:a:libsunec_project:libsunec:-:*:*:*:*:*:*:*
*cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:* versions up to (including) 1.18.1
*cpe:2.3:a:matrixssl:matrixssl:-:*:*:*:*:*:*:*
*cpe:2.3:a:mozilla:network_security_services:-:*:*:*:*:*:*:*
*cpe:2.3:a:openbsd:libressl:-:*:
Added
CVSS V2
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Added
CVSS V3
AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Added
CWE
CWE-200
Added
CWE
CWE-320
Changed
Reference Type
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ No Types Assigned
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ Exploit, Technical Description, Third Party Advisory
Quick Info
CVE Dictionary Entry: CVE-2018-12437 NVD
Published Date: 06/14/2018 NVD
Last Modified: 06/29/2021
Source: MITRE