4.7med
CVE-2018-12440
BoringSSL through 2018-06-14 allows a memory-cache side-channel attack on DSA signatures, aka the Return Of the Hidden Number Problem or RO…
Published 8 y ago · modified 4 mo ago · JSON
CVSS
4.7
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.1%
percentile 3%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
0.14% probability of exploitation in the next 30 days, higher than 3% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 4.7 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 1.9 | AV:L/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- nccgroup.trust /us/our-research/technical-advisory-return-of-the-hidden-number-problem/ · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2018-12440
- NVD: CVE-2018-12440
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