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CVE-2010-2023

CVE-2010-2023

EPSS 0.3%
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.
Affected products
n/a · n/a

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References
http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0079.htmlhttp://bugs.exim.org/show_bug.cgi?id=988http://lists.exim.org/lurker/message/20100524.175925.9a69f755.en.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2010-June/042587.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2010-June/042613.htmlhttp://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=600093http://secunia.com/advisories/40019http://secunia.com/advisories/40123http://secunia.com/advisories/43243https://exchange.xforce.ibmcloud.com/vulnerabilities/59043http://vcs.exim.org/viewvc/exim/exim-doc/doc-txt/ChangeLog?view=markup&pathrev=exim-4_72_RC2