CVE-2010-2023 | BDVDB-2026-41994 Detail
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0079.html
- http://www.securityfocus.com/bid/40451
- http://www.vupen.com/english/advisories/2010/1402
- http://www.vupen.com/english/advisories/2011/0364
- http://secunia.com/advisories/43243
- http://bugs.exim.org/show_bug.cgi?id=988
- http://vcs.exim.org/viewvc/exim/exim-src/src/transports/appendfile.c?r1=1.24&r2=1.25
- http://secunia.com/advisories/40019
- http://lists.exim.org/lurker/message/20100524.175925.9a69f755.en.html
- http://vcs.exim.org/viewvc/exim/exim-doc/doc-txt/ChangeLog?view=markup&pathrev=exim-4_72_RC2
- http://secunia.com/advisories/40123
- http://www.securityfocus.com/archive/1/511653/100/0/threaded
- https://bugzilla.redhat.com/show_bug.cgi?id=600093
- http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042613.html
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.