Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2010-06-07T17:12:48.247

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.4 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.4

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application exim exim ≤ 4.71 Yes
Application exim exim 4.10 Yes
Application exim exim 4.20 Yes
Application exim exim 4.21 Yes
Application exim exim 4.22 Yes
Application exim exim 4.23 Yes
Application exim exim 4.24 Yes
Application exim exim 4.30 Yes
Application exim exim 4.31 Yes
Application exim exim 4.32 Yes
Application exim exim 4.33 Yes
Application exim exim 4.34 Yes
Application exim exim 4.40 Yes
Application exim exim 4.41 Yes
Application exim exim 4.42 Yes
Application exim exim 4.43 Yes
Application exim exim 4.44 Yes
Application exim exim 4.50 Yes
Application exim exim 4.51 Yes
Application exim exim 4.52 Yes
Application exim exim 4.53 Yes
Application exim exim 4.54 Yes
Application exim exim 4.60 Yes
Application exim exim 4.61 Yes
Application exim exim 4.62 Yes
Application exim exim 4.63 Yes
Application exim exim 4.64 Yes
Application exim exim 4.65 Yes
Application exim exim 4.66 Yes
Application exim exim 4.67 Yes
Application exim exim 4.68 Yes
Application exim exim 4.69 Yes
Application exim exim 4.70 Yes
References