CVE-2018-12433 Information

Description

LICENSE README.md cvefilelist cvelist nvdcve nvdpages.sh scripts test-CVE-2017-1882.markdown test-CVE-2017-18822.markdown tmpvendorlinks DISPUTED LICENSE README.md cvefilelist cvelist nvdcve nvdpages.sh scripts test-CVE-2017-1882.markdown test-CVE-2017-18822.markdown tmpvendorlinks cryptlib through 3.4.4 allows a memory-cache side-channel attack on DSA and ECDSA signatures aka the Return Of the Hidden Number Problem or ROHNP. To discover a key the attacker needs access to either the local machine or a different virtual machine on the same physical host. NOTE: the vendor does not include side-channel attacks within its threat model.

CVSS Vector

CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

Reference

https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

4.9