OpenDMARC up to 1.3.2/1.4.x pypolicyd-spf MAIL FROM authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenDMARC up to 1.3.2/1.4.x and classified as critical. The affected element is an unknown function of the component pypolicyd-spf. Such manipulation of the argument MAIL FROM leads to authentication spoofing. This vulnerability is traded as CVE-2019-20790. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OpenDMARC up to 1.3.2/1.4.x. Affected by this issue is an unknown code of the component pypolicyd-spf. The manipulation of the argument MAIL FROM with an unknown input leads to a authentication spoofing vulnerability. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is confidentiality, integrity, and availability. CVE summarizes:

OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.

The weakness was shared 04/27/2020. This vulnerability is handled as CVE-2019-20790 since 04/27/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Authentication spoofing
CWE: CWE-290 / CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/27/2020 🔍
04/27/2020 +0 days 🔍
04/28/2020 +1 days 🔍
06/03/2024 +1497 days 🔍

Sourcesinfo

Advisory: 235
Status: Not defined

CVE: CVE-2019-20790 (🔍)
GCVE (CVE): GCVE-0-2019-20790
GCVE (VulDB): GCVE-100-154424

Entryinfo

Created: 04/28/2020 10:01
Updated: 06/03/2024 09:57
Changes: 04/28/2020 10:01 (35), 04/28/2020 10:06 (17), 06/03/2024 09:55 (18), 06/03/2024 09:57 (1)
Complete: 🔍
Cache ID: 216::103

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