Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nettle Project | Nettle | <= 3.4 |
Related Weaknesses (CWE)
References
- http://cat.eyalro.net/Technical DescriptionThird Party Advisory
- http://www.securityfocus.com/bid/106092Broken LinkThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869Issue TrackingThird Party Advisory
- http://cat.eyalro.net/Technical DescriptionThird Party Advisory
- http://www.securityfocus.com/bid/106092Broken LinkThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16869Issue TrackingThird Party Advisory
FAQ
What is CVE-2018-16869?
CVE-2018-16869 is a vulnerability with a CVSS score of 5.7 (MEDIUM). 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 ...
How severe is CVE-2018-16869?
CVE-2018-16869 has been rated MEDIUM with a CVSS base score of 5.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-16869?
Check the references section above for vendor advisories and patch information. Affected products include: Nettle Project Nettle.