PT-2019-14876 · Zcash · Zcash

Published 2019-09-28 · Updated 2019-10-04 · CVE-2019-16930

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Zcash versions prior to 2.0.7-3

Description The issue 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.

Recommendations For versions prior to 2.0.7-3, update to version 2.0.7-3 or later to resolve the issue.

Fix

Improper Handling of Exceptional Conditions

Weakness Enumeration

CWE-755

Related Identifiers

CVE-2019-16930

Affected Products

Zcash

References · 6

• https://github.com/zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128d · Patch
• https://osv.dev/vulnerability/CVE-2019-16930 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-16930 · Security Note
• https://z.cash/support/security/announcements/security-announcement-2019-09-24 · Vendor Advisory
• https://github.com/zcash/zcash/releases/tag/v2.0.7-3 · Note
• http://duke.leto.net/2019/10/01/zcash-metadata-leakage-cve-2019-16930.html · Note