SB2019093004 - Information disclosure in Zcash



SB2019093004 - Information disclosure in Zcash

Published: September 30, 2019

Security Bulletin ID SB2019093004
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2019-16930)

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.


Remediation

Install update from vendor's website.