Upstream information

CVE-2011-2500 at MITRE

Description

The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Note from the SUSE Security Team

Only newer versions with IPv6 enhancements were affected, making only SUSE Linux Enterprise Server 11 SP1 and openSUSE 11.4 vulnerable. Both have received updates for this problem.

SUSE Bugzilla entry: 701702 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Server 11 SP1
  • nfs-client >= 1.2.1-2.18.1
  • nfs-doc >= 1.2.1-2.18.1
  • nfs-kernel-server >= 1.2.1-2.18.1
Patchnames:
slessp1-nfs-client
openSUSE 11.4
  • nfs-client >= 1.2.3-11.16.1
  • nfs-doc >= 1.2.3-11.16.1
  • nfs-kernel-server >= 1.2.3-11.16.1
SUSE Linux Enterprise Desktop 11 SP1
  • nfs-client >= 1.2.1-2.18.1
  • nfs-kernel-server >= 1.2.1-2.18.1
sles11-sp1.s390x
sles11-sp1.x86-64
sled11-sp1.x86-64
sles11-sp1.ia64
sles11-sp1-vmware.x86
sles11-sp1.ppc
sles11-sp1-vmware.x86-64
sles11-sp1.x86
SAT Patch Nr: 4821
SUSE Linux Enterprise Server 11 SP1
SUSE Linux Enterprise Server 11 SP1 for VMware
  • nfs-client >= 1.2.1-2.18.1
  • nfs-doc >= 1.2.1-2.18.1
  • nfs-kernel-server >= 1.2.1-2.18.1
sles11-sp1.s390x
sles11-sp1.x86-64
sled11-sp1.x86-64
sles11-sp1.ia64
sles11-sp1-vmware.x86
sles11-sp1.ppc
sles11-sp1-vmware.x86-64
sles11-sp1.x86
SAT Patch Nr: 4821
openSUSE 11.4
  • nfs-client >= 1.2.3-11.16.1
  • nfs-client-debuginfo >= 1.2.3-11.16.1
  • nfs-doc >= 1.2.3-11.16.1
  • nfs-kernel-server >= 1.2.3-11.16.1
Patchnames:
nfs-client


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Desktop 11 SP1 nfs-utils Released
SUSE Linux Enterprise Server 11 SP1 nfs-utils Released
SUSE Linux Enterprise Server 11 SP1 LTSS nfs-utils Released
SUSE Linux Enterprise Server for SAP AIO 11 SP1 nfs-utils Released
SUSE Linux Enterprise Server for SAP ES 11 SP1 nfs-utils Released