Date: Tue, 8 Mar 2011 08:43:53 -0500 From: Steve Grubb <sgrubb@...hat.com> To: Tomas Hoger <thoger@...hat.com> Cc: oss-security@...ts.openwall.com Subject: Re: ldd can execute an app unexpectedly On Tuesday, March 08, 2011 04:14:39 am Tomas Hoger wrote: > > Besides telling everyone don't do that. ldd could take the PoV that > > it should only call runtime linkers in trusted directories like /sbin > > or /usr/sbin. > > Upstream does not seem to consider this to be an issue: > https://bugzilla.redhat.com/show_bug.cgi?id=531160#c1 The DISA STIG now recommends that ldd be disabled, that pretty much means deleted, on any Linux OS that is not patched to protect against it: <Rule id="SV-28909r1_rule" severity="medium"> <version>GEN007960</version> <title>The 'ldd' command must be disabled unless it protects against the execution of untrusted files.</title> http://iase.disa.mil/stigs/downloads/zip/unclassified_os-srg-unix_v1r1_finalsrg.zip -Steve
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