CVE-2018-12436
Published: 15 June 2018
wolfcrypt/src/ecc.c in wolfSSL before 3.15.1.patch 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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
wolfssl Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Needs triage
|
|
| cosmic |
Ignored
(end of life)
|
|
| disco |
Not vulnerable
(3.15.3+dfsg-2)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Needs triage
|
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Needs triage
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.7 |
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
References
- https://github.com/wolfSSL/wolfssl/commit/9b9568d500f31f964af26ba8d01e542e1f27e5ca
- https://www.wolfssl.com/wolfssh-and-rohnp/
- https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/
- https://www.cve.org/CVERecord?id=CVE-2018-12436
- NVD
- Launchpad
- Debian