Vulnerability Details : CVE-2015-20111
miniupnp before 4c90b87, as used in Bitcoin Core before 0.12 and other products, lacks checks for snprintf return values, leading to a buffer overflow and significant data leak, a different vulnerability than CVE-2019-12107. In Bitcoin Core before 0.12, remote code execution was possible in conjunction with CVE-2015-6031 exploitation.
Vulnerability category: OverflowExecute code
Products affected by CVE-2015-20111
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Exploit prediction scoring system (EPSS) score for CVE-2015-20111
0.68%
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-2015-20111
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-11-18 |
CWE ids for CVE-2015-20111
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The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2015-20111
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https://github.com/miniupnp/miniupnp/pull/157
String handling fixes by laanwj · Pull Request #157 · miniupnp/miniupnp · GitHub
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https://github.com/miniupnp/miniupnp/commit/4c90b87ce3d2517097880279e8c3daa7731100e6
Check snprintf result · miniupnp/miniupnp@4c90b87 · GitHub
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https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
Common Vulnerabilities and Exposures - Bitcoin Wiki
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https://bitcoincore.org/en/2024/07/03/disclose_upnp_rce/
Bitcoin Core :: Disclosure of remote code execution due to bug in miniupnpc
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