4.4

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Exim ≫ Exim Version <= 4.71
Exim ≫ Exim Version 4.10
Exim ≫ Exim Version 4.20
Exim ≫ Exim Version 4.21
Exim ≫ Exim Version 4.22
Exim ≫ Exim Version 4.23
Exim ≫ Exim Version 4.24
Exim ≫ Exim Version 4.30
Exim ≫ Exim Version 4.31
Exim ≫ Exim Version 4.32
Exim ≫ Exim Version 4.33
Exim ≫ Exim Version 4.34
Exim ≫ Exim Version 4.40
Exim ≫ Exim Version 4.41
Exim ≫ Exim Version 4.42
Exim ≫ Exim Version 4.43
Exim ≫ Exim Version 4.44
Exim ≫ Exim Version 4.50
Exim ≫ Exim Version 4.51
Exim ≫ Exim Version 4.52
Exim ≫ Exim Version 4.53
Exim ≫ Exim Version 4.54
Exim ≫ Exim Version 4.60
Exim ≫ Exim Version 4.61
Exim ≫ Exim Version 4.62
Exim ≫ Exim Version 4.63
Exim ≫ Exim Version 4.64
Exim ≫ Exim Version 4.65
Exim ≫ Exim Version 4.66
Exim ≫ Exim Version 4.67
Exim ≫ Exim Version 4.68
Exim ≫ Exim Version 4.69
Exim ≫ Exim Version 4.70
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.28% 0.195
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 4.4 3.4 6.4
AV:L/AC:M/Au:N/C:P/I:P/A:P
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0079.html
http://bugs.exim.org/show_bug.cgi?id=988
http://lists.exim.org/lurker/message/20100524.175925.9a69f755.en.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042587.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042613.html
http://secunia.com/advisories/40019
Vendor Advisory
http://secunia.com/advisories/40123
http://secunia.com/advisories/43243
http://vcs.exim.org/viewvc/exim/exim-doc/doc-txt/ChangeLog?view=markup&pathrev=exim-4_72_RC2
http://vcs.exim.org/viewvc/exim/exim-src/src/transports/appendfile.c?r1=1.24&r2=1.25
Patch
http://www.securityfocus.com/archive/1/511653/100/0/threaded
http://www.securityfocus.com/bid/40451
http://www.ubuntu.com/usn/USN-1060-1
http://www.vupen.com/english/advisories/2010/1402
http://www.vupen.com/english/advisories/2011/0364
https://bugzilla.redhat.com/show_bug.cgi?id=600093
https://exchange.xforce.ibmcloud.com/vulnerabilities/59043