Cesanta Frozen up to 1.6 JSON allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cesanta Frozen up to 1.6 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component JSON Handler. The manipulation leads to allocation of resources. This vulnerability is listed as CVE-2025-0695. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cesanta Frozen up to 1.6 and classified as problematic. This issue affects an unknown part of the component JSON Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

An Allocation of Resources Without Limits or Throttling vulnerability in Cesanta Frozen versions less than 1.7 allows an attacker to induce a crash of the component embedding the library by supplying a maliciously crafted JSON as input.

The weakness was presented by Diego Zaffaroni. The advisory is shared at nozominetworks.com. The identification of this vulnerability is CVE-2025-0695 since 01/24/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 1.7 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Nozomi): 🔍

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: Frozen 1.7

Timelineinfo

01/24/2025 🔍
01/27/2025 +3 days 🔍
01/27/2025 +0 days 🔍
01/27/2025 +0 days 🔍

Sourcesinfo

Advisory: nozominetworks.com
Researcher: Diego Zaffaroni
Status: Confirmed

CVE: CVE-2025-0695 (🔍)
GCVE (CVE): GCVE-0-2025-0695
GCVE (VulDB): GCVE-100-293513

Entryinfo

Created: 01/27/2025 12:40
Updated: 01/27/2025 12:43
Changes: 01/27/2025 12:40 (16), 01/27/2025 12:41 (15), 01/27/2025 12:43 (33)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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