Vulnerability CVE-2019-16930
Published: 2019-09-28   Modified: 2019-09-29

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.

Type:

CWE-755

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Z.cash -> Zcash 

 References:
http://duke.leto.net/2019/10/01/zcash-metadata-leakage-cve-2019-16930.html
https://github.com/zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128d
https://github.com/zcash/zcash/releases/tag/v2.0.7-3
https://z.cash/support/security/announcements/security-announcement-2019-09-24/
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