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A short time ago a "local root" exploit was posted to the full-disclosure mailing list; as the name suggests, this allows a local user to execute arbitrary code as root.
Normally it is the policy of the FreeBSD Security Team to not publicly discuss security issues until an advisory is ready, but in this case since exploit code is already widely available I want to make a patch available ASAP. Due to the short timeline, it is possible that this patch will not be the final version which is provided when an advisory is sent out; it is even possible (although highly doubtful) that this patch does not fully fix the issue or introduces new issues -- in short, use at your own risk (even more than usual).
The patch is at
http://people.freebsd.org/~cperciva/rtld.patch and has SHA256 hash
I expect a full security advisory concerning this issue will go out on
Wednesday December 2nd.
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-- Colin Percival Security Officer, FreeBSD | freebsd.org | The power to serve Founder / author, Tarsnap | tarsnap.com | Online backups for the truly paranoid _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/