4.7med
CVE-2018-16869
A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#…
Published 7 y ago · modified 4 mo ago · JSON
CVSS
4.7
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
1.5%
percentile 74%
Public exploits
0
none known
Summary
A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
Exploit prediction (EPSS)
1.49% probability of exploitation in the next 30 days, higher than 74% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 3.0 | 4.7 | CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N |
| NVD | 3.1 | 5.7 | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N |
| CNA | 3.0 | 4.7 | CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N |
| NVD | 2.0 | 3.3 | AV:L/AC:M/Au:N/C:P/I:P/A:N |
Affected products
- [UNKNOWN] nettle
Classification
- Weakness
- CWE-203 Observable Discrepancy
References
- securityfocus.com /bid/106092 · vdb-entry, x_refsource_BID, x_transferred
- cat.eyalro.net / · x_refsource_MISC, x_transferred
- bugzilla.redhat.com /show_bug.cgi?id=CVE-2018-16869 · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2018-16869
- NVD: CVE-2018-16869
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