Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-16930 |
CWE-ID | CWE-200 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Zcash Client/Desktop applications / Other client software |
Vendor | Electric Coin Co. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU21431
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-16930
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsZcash: 2.0.0 - 2.0.7-2
External linkshttp://duke.leto.net/2019/10/01/zcash-metadata-leakage-cve-2019-16930.html
http://github.com/zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128d
http://github.com/zcash/zcash/releases/tag/v2.0.7-3
http://z.cash/support/security/announcements/security-announcement-2019-09-24/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.