VDB
CVE-2018-12436
CVE-2018-12436
PUBLISHED
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.
EPSS 0.14% · 33.8th percentile
Risk Scores
EPSS Score
0.14%
33.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | wolfssl | 0, 3.13.0+dfsg-1, 3.12.2+dfsg-1 |
| Ubuntu:22.04:LTS | wolfssl | 5.2.0-2, 0, 4.6.0-3 |
| Ubuntu:20.04:LTS | wolfssl | 0, 4.2.0+dfsg-1, 4.2.0+dfsg-2 |
| Ubuntu:24.04:LTS | wolfssl | 5.5.4-2.1, 5.6.4-2, 5.6.6-1.3 |
| Ubuntu:16.04:LTS | wolfssl | 0, 3.4.8+dfsg-1 |
| Ubuntu:25.10 | wolfssl | 5.7.2-0.1, 0 |
Exploit Intelligence
Timeline
- Jun 15, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-12436 third-party-advisory
- https://github.com/wolfSSL/wolfssl/commit/9b9568d500f31f964af26ba8d01e542e1f27e5ca third-party-advisory
- https://www.wolfssl.com/wolfssh-and-rohnp/ third-party-advisory
- https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-12436 third-party-advisory