Description
transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.
Published: 2010-06-07
Score: 4.4 Medium
EPSS: < 1% Very 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
EUVD EUVD EUVD-2010-2043 transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.
Ubuntu USN Ubuntu USN USN-1060-1 Exim vulnerabilities
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T02:17:13.771Z

Reserved: 2010-05-24T00:00:00.000Z

Link: CVE-2010-2023

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2010-06-07T17:12:48.247

Modified: 2026-04-29T01:13:23.040

Link: CVE-2010-2023

cve-icon Redhat

Severity : Moderate

Publid Date: 2010-06-03T00:00:00Z

Links: CVE-2010-2023 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses