Eclipse Californium up to 2.7.3/3.6.x Constrained Application Protocol denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Eclipse Californium up to 2.7.3/3.6.x. This vulnerability affects unknown code of the component Constrained Application Protocol Handler. The manipulation leads to denial of service. This vulnerability is traded as CVE-2022-39368. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Eclipse Californium up to 2.7.3/3.6.x and classified as problematic. This issue affects some unknown processing of the component Constrained Application Protocol Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Eclipse Californium is a Java implementation of RFC7252 - Constrained Application Protocol for IoT Cloud services. In versions prior to 3.7.0, and 2.7.4, Californium is vulnerable to a Denial of Service. Failing handshakes don't cleanup counters for throttling, causing the threshold to be reached without being released again. This results in permanently dropping records. The issue was reported for certificate based handshakes, but may also affect PSK based handshakes. It generally affects client and server as well. This issue is patched in version 3.7.0 and 2.7.4. There are no known workarounds. main: commit 726bac57659410da463dcf404b3e79a7312ac0b9 2.7.x: commit 5648a0c27c2c2667c98419254557a14bac2b1f3f

The weakness was shared 11/10/2022 as GHSA-p72g-cgh9-ghjg. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-39368 since 09/02/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 2.7.4 or 3.7.0 eliminates this vulnerability. Applying the patch 5648a0c27c2c2667c98419254557a14bac2b1f3f 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.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

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

CNA Base Score: 8.2
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: 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: Eclipse Californium 2.7.4/3.7.0
Patch: 5648a0c27c2c2667c98419254557a14bac2b1f3f

Timelineinfo

09/02/2022 🔍
11/10/2022 +69 days 🔍
11/10/2022 +0 days 🔍
11/10/2022 +0 days 🔍

Sourcesinfo

Advisory: GHSA-p72g-cgh9-ghjg
Status: Confirmed

CVE: CVE-2022-39368 (🔍)
GCVE (CVE): GCVE-0-2022-39368
GCVE (VulDB): GCVE-100-213359

Entryinfo

Created: 11/10/2022 08:14
Changes: 11/10/2022 08:14 (52)
Complete: 🔍
Cache ID: 216::103

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