MISP up to 2.4.120 Time Skew toctou

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k1.66

Summaryinfo

A vulnerability, which was classified as critical, has been found in MISP up to 2.4.120. Affected is an unknown function of the component Time Skew Handler. Performing a manipulation results in toctou. This vulnerability is cataloged as CVE-2020-8890. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in MISP up to 2.4.120. This affects an unknown functionality of the component Time Skew Handler. The manipulation with an unknown input leads to a toctou vulnerability. CWE is classifying the issue as CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. This is going to have an impact on integrity. The summary by CVE is:

An issue was discovered in MISP before 2.4.121. It mishandled time skew (between the machine hosting the web server and the machine hosting the database) when trying to block a brute-force series of invalid requests.

The weakness was shared 02/12/2020. This vulnerability is uniquely identified as CVE-2020-8890 since 02/11/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.4.121 eliminates this vulnerability.

The entries VDB-150043, VDB-150042, VDB-150041 and VDB-150040 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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: Toctou
CWE: CWE-367 / CWE-362
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: MISP 2.4.121
Patch: github.com

Timelineinfo

02/11/2020 🔍
02/12/2020 +1 days 🔍
02/12/2020 +0 days 🔍
06/23/2026 +2323 days 🔍

Sourcesinfo

Product: github.com

Advisory: 934c82819237b4edf1da64587b72a87bec5dd520
Status: Confirmed

CVE: CVE-2020-8890 (🔍)
GCVE (CVE): GCVE-0-2020-8890
GCVE (VulDB): GCVE-100-150039
See also: 🔍

Entryinfo

Created: 02/12/2020 08:14
Updated: 06/23/2026 03:34
Changes: 02/12/2020 08:14 (36), 02/12/2020 08:19 (17), 03/30/2024 14:29 (20), 06/23/2026 03:34 (3)
Complete: 🔍
Cache ID: 216::103

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