CVEvulnerability

CVE-2018-12440

4.7 MEDIUM Published 2018-06-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-06-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
4.7 MEDIUM — CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
1.9 LOW — AV:L/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

Description

BoringSSL through 2018-06-14 allows a memory-cache side-channel attack on DSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover a DSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.

Affected configurations

• google boringssl (<= 2018-06-14)

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References