CVE-2011-4447

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-08-06 · updated 2026-06-16
Weakness: CWE-310

Description

The "encrypt wallet" feature in wxBitcoin and bitcoind 0.4.x before 0.4.1, and 0.5.0rc, does not properly interact with the deletion functionality of BSDDB, which allows context-dependent attackers to obtain unencrypted private keys from Bitcoin wallet files by bypassing the BSDDB interface and reading entries that are marked for deletion.

Affected products

Bitcoin Core: 0.4.0, 0.4.1-rc6, 0.5.0-rc
Bitcoin Wxbitcoin: 0.4.0, 0.4.1-rc6, 0.5.0-rc

References

http://bitcoin.org/releases/2011/11/21/v0.5.0.html
https://bitcointalk.org/index.php?topic=51474.0
https://bitcointalk.org/index.php?topic=51604.0
https://en.bitcoin.it/wiki/CVEs
http://bitcoin.org/releases/2011/11/21/v0.5.0.html
https://bitcointalk.org/index.php?topic=51474.0
https://bitcointalk.org/index.php?topic=51604.0
https://en.bitcoin.it/wiki/CVEs

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