Denial of service in Bitcoin-Qt

1) Improper input validation

EUVDB-ID: #VU3912

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-4682

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to unknown error that allows a remote attacker to trigger the application to crash.

Successful exploitation of the vulnerability results in denial of service on the vulnerable system.

Mitigation

The vulnerability is fixed in the following versions: 0.4.7rc3, 0.5.6rc3, 0.6.0.9rc1, and 0.6.3rc1.

Vulnerable software versions

Bitcoin-Qt: 0.4.7 rc2 - 0.6.2.2

External links

http://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2012-4682
http://bugs.gentoo.org/show_bug.cgi?id=435216

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.