Description
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary commands as root.
Published: 2021-05-06
Score: 9.8 Critical
EPSS: 4.3% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2650-1 exim4 security update
Debian DSA Debian DSA DSA-4912-1 exim4 security update
EUVD EUVD EUVD-2020-20517 Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary commands as root.
Ubuntu USN Ubuntu USN USN-4934-1 Exim vulnerabilities
Ubuntu USN Ubuntu USN USN-4934-2 Exim vulnerabilities
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T16:25:43.970Z

Reserved: 2020-10-30T00:00:00.000Z

Link: CVE-2020-28026

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-05-06T13:15:09.777

Modified: 2024-11-21T05:22:14.077

Link: CVE-2020-28026

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses