py-libp2p up to 0.2.2 RSA Key allocation of resources

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in py-libp2p up to 0.2.2. This affects an unknown function of the component RSA Key Handler. Executing a manipulation can lead to allocation of resources. The identification of this vulnerability is CVE-2025-29606. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in py-libp2p up to 0.2.2. This vulnerability affects an unknown functionality of the component RSA Key Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. CVE summarizes:

py-libp2p before 0.2.3 allows a peer to cause a denial of service (resource consumption) via a large RSA key.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-29606 since 03/11/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 0.2.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21304). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (MITRE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: py-libp2p 0.2.3
Patch: github.com

Timelineinfo

03/11/2025 CVE reserved
07/14/2025 +124 days Advisory disclosed
07/14/2025 +0 days VulDB entry created
07/14/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: 526
Status: Confirmed

CVE: CVE-2025-29606 (🔒)
GCVE (CVE): GCVE-0-2025-29606
GCVE (VulDB): GCVE-100-316324
EUVD: 🔒

Entryinfo

Created: 07/14/2025 08:11
Updated: 07/14/2025 13:30
Changes: 07/14/2025 08:11 (65), 07/14/2025 08:46 (1), 07/14/2025 13:30 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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