stepancheg protobuf up to 3.7.1 coded_input_stream recursion

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in stepancheg protobuf up to 3.7.1. This affects the function protobuf::coded_input_stream. The manipulation leads to recursion. This vulnerability is uniquely identified as CVE-2025-53605. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in stepancheg protobuf up to 3.7.1 and classified as problematic. This issue affects the function protobuf::coded_input_stream. The manipulation with an unknown input leads to a recursion vulnerability. Using CWE to declare the problem leads to CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. Impacted is availability. The summary by CVE is:

The protobuf crate before 3.7.2 for Rust allows uncontrolled recursion in the protobuf::coded_input_stream::CodedInputStream::skip_group parsing of unknown fields in untrusted input.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-53605 since 07/05/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 243249 (Amazon Linux 2 : rust (ALAS-2025-2933)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.7.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (243249) and EUVD (EUVD-2025-20099). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (MITRE): 🔒

CVSSv2info

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

Exploitinginfo

Class: Recursion
CWE: CWE-674 / 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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Nessus ID: 243249
Nessus Name: Amazon Linux 2 : rust (ALAS-2025-2933)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: protobuf 3.7.2

Timelineinfo

07/05/2025 Advisory disclosed
07/05/2025 +0 days CVE reserved
07/05/2025 +0 days VulDB entry created
08/01/2025 +27 days VulDB entry last update

Sourcesinfo

Advisory: 749
Status: Confirmed

CVE: CVE-2025-53605 (🔒)
GCVE (CVE): GCVE-0-2025-53605
GCVE (VulDB): GCVE-100-314987
EUVD: 🔒

Entryinfo

Created: 07/05/2025 07:37
Updated: 08/01/2025 13:59
Changes: 07/05/2025 07:37 (64), 07/05/2025 07:46 (1), 08/01/2025 13:59 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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