Vulnerability Details : CVE-2013-4165
The HTTPAuthorized function in bitcoinrpc.cpp in bitcoind 0.8.1 provides information about authentication failure upon detecting the first incorrect byte of a password, which makes it easier for remote attackers to determine passwords via a timing side-channel attack.
Vulnerability category: Information leak
Products affected by CVE-2013-4165
- cpe:2.3:a:bitcoin:bitcoin_core:0.8.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-4165
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-4165
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2013-4165
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-4165
-
http://openwall.com/lists/oss-security/2013/07/25/5
oss-security - Re: CVE request: timing leak in bitcoind
-
https://github.com/bitcoin/bitcoin/issues/2838
Timing leak in RPC authentication · Issue #2838 · bitcoin/bitcoin · GitHub
-
https://github.com/bitcoin/bitcoin/pull/2845
Mitigate Timing Attacks On Basic RPC Authorization by grayleonard · Pull Request #2845 · bitcoin/bitcoin · GitHub
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