Vulnerability in Exim
CVE-2010-2023
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.
Vulnerability class: Race Condition
EPSS: 0.003 (20.2th percentile) — read the EPSS interpretation.
Affected products
- Exim — versions 4.31, 4.52, 4.32
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (mailing-list, x_refsource_FULLDISC)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (vdb-entry, x_refsource_VUPEN)
- cve@mitre.org (vdb-entry, x_refsource_VUPEN)
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory, Vendor Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_CONFIRM)