REDHAT-BUG-716949
First published: Mon Jun 27 2011(Updated: )
A security flaw was found in the way nfs-utils performed authentication of an incoming request, when an IP based authentication mechanism was used and certain file systems were exported to either to a netgroup or a wildcard (e.g. *.my.domain), and some file systems (either the same or different to the first set) were exported to specific hosts, IP addresses, or a subnet. A remote attacker, able to create global DNS entries could use this flaw to access above listed, exported file systems. References: [1] <a href="https://bugzilla.novell.com/show_bug.cgi?id=701702">https://bugzilla.novell.com/show_bug.cgi?id=701702</a> [2] <a href="http://www.openwall.com/lists/oss-security/2011/06/27/7">http://www.openwall.com/lists/oss-security/2011/06/27/7</a> (CVE Request) Relevant upstream patch: [3] <a href="http://marc.info/?l=linux-nfs&m=130875695821953&w=2">http://marc.info/?l=linux-nfs&m=130875695821953&w=2</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE NFS-utils |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://bugzilla.novell.com/show_bug.cgi?id=701702
- http://www.openwall.com/lists/oss-security/2011/06/27/7
- http://marc.info/?l=linux-nfs&m=130875695821953&w=2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=716950
- https://access.redhat.com/security/cve/CVE-2011-2500
- http://www.openwall.com/lists/oss-security/2011/06/28/17
- https://rhn.redhat.com/errata/RHSA-2011-1534.html
- https://bugzilla.redhat.com/show_bug.cgi?id=716949
Frequently Asked Questions
What is the severity of REDHAT-BUG-716949?
The severity of REDHAT-BUG-716949 is classified as high due to the potential for unauthorized access to exported file systems.
How do I fix REDHAT-BUG-716949?
To fix REDHAT-BUG-716949, update nfs-utils to the latest version that addresses this vulnerability.
What systems are affected by REDHAT-BUG-716949?
REDHAT-BUG-716949 affects systems using nfs-utils with IP-based authentication mechanisms and certain file systems exported to netgroups or wildcards.
What impact does REDHAT-BUG-716949 have on network file sharing?
REDHAT-BUG-716949 can lead to potential unauthorized access or data exposure in network file sharing scenarios.
Is there a workaround for REDHAT-BUG-716949 until I can apply a patch?
A possible workaround for REDHAT-BUG-716949 includes modifying export options to avoid using wildcard entries until a patch is applied.
- agent/references
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2011-2500
- agent/severity
- agent/event
- agent/description
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/nfs
- canonical/suse nfs-utils