Ubuntu.comUB:CVE-2010-2023CVE-2010-2023
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
9.4%
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.
Bugs
- <https://bugs.launchpad.net/ubuntu/+source/exim4/+bug/609620>
- <http://bugs.exim.org/show_bug.cgi?id=988>
- <https://bugzilla.redhat.com/show_bug.cgi?id=600093>
Notes
| Author | Note |
|---|---|
| mdeslaur | not default configuration |
References
archives.neohapsis.com/archives/fulldisclosure/2010-06/0079.html
lists.exim.org/lurker/message/20100524.175925.9a69f755.en.html
launchpad.net/bugs/cve/CVE-2010-2023
nvd.nist.gov/vuln/detail/CVE-2010-2023
security-tracker.debian.org/tracker/CVE-2010-2023
ubuntu.com/security/notices/USN-1060-1
www.cve.org/CVERecord?id=CVE-2010-2023
Related
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
9.4%