Information disclosure in Zcash - CVE-2019-16930
Published: September 30, 2019
Vulnerability identifier: #VU21431
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-16930
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Electric Coin Co.
Affected software:
Zcash
Zcash
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to an incorrect error handling implementation when performing deserialization of note plaintexts in Zcashd . A remote attacker gain knowledge of the IP address of a full node that owns a shielded address.
Successful vulnerability exploitation requires knowledge of zaddr.
How to mitigate CVE-2019-16930
Install updates from vendor's website.