Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2018-12437

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.

Published

2018-06-15T02:29:00.487

Last Modified

2024-11-21T03:45:13.220

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:P/I:N/A:N

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.4

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libtom	libtomcrypt	≤ 1.18.1	Yes
Operating System	linaro	op-tee	≤ 3.5.0	Yes

References

https://security.gentoo.org/glsa/202007-53 Third Party Advisory ([email protected])
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ Exploit, Technical Description, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202007-53 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)