CVE-2010-2023
Medium
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.
SeverityMedium
CVSS4.4
Exploit probability—
Product
Exim
PublishedJun 7, 2010
First seenJun 7, 2010
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| exim exim | v ≤ 4.71, 4.10, 4.20, 4.21, 4.22, 4.23, 4.24, 4.30, 4.31, 4.32, 4.33, 4.34, 4.40, 4.41, 4.42, 4.43, 4.44, 4.50, 4.51, 4.52, 4.53, 4.54, 4.60, 4.61, 4.62, 4.63, 4.64, 4.65, 4.66, 4.67, 4.68, 4.69, 4.70 | — |
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