Jenkins up to 2.218/LTS 2.204.1 Comparison timing discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Jenkins up to 2.218/LTS 2.204.1 (Continuous Integration Software). Affected by this issue is an unknown functionality of the component Comparison. The manipulation with an unknown input leads to a timing discrepancy vulnerability. Using CWE to declare the problem leads to CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. Impacted is confidentiality. CVE summarizes:

Jenkins 2.218 and earlier, LTS 2.204.1 and earlier did not use a constant-time comparison function for validating connection secrets, which could potentially allow an attacker to use a timing attack to obtain this secret.

The weakness was presented 01/29/2020 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2020-2101 since 12/05/2019. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
CAPEC: 🔍
ATT&CK: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/05/2019 🔍
01/29/2020 +55 days 🔍
01/30/2020 +1 days 🔍
03/27/2024 +1518 days 🔍

Sourcesinfo

Advisory: RHSA-2020:0681
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-2101 (🔍)

Entryinfo

Created: 01/30/2020 08:28 AM
Updated: 03/27/2024 02:21 PM
Changes: 01/30/2020 08:28 AM (39), 01/30/2020 08:33 AM (18), 03/27/2024 02:21 PM (17)
Complete: 🔍
Cache ID: 44:D3C:40

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