CVE-2019-16930

Description

Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that owns a shielded address, related to mishandling of exceptions during deserialization of note plaintexts. This affects anyone who has disclosed their zaddr to a third party.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.54%
Vendor Advisory z.cash
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://z.cash/support/security/announcements/security-announcement-2019-09-24/ vendor advisory
https://github.com/zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128d third party advisory patch
https://github.com/zcash/zcash/releases/tag/v2.0.7-3 third party advisory
http://duke.leto.net/2019/10/01/zcash-metadata-leakage-cve-2019-16930.html mitigation third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-16930?
CVE-2019-16930 has been scored as a medium severity vulnerability.
How to fix CVE-2019-16930?
To fix CVE-2019-16930, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-16930 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-16930 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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