RHSA-2009:0955
Vulnerability from csaf_redhat - Published: 2009-05-18 13:24 - Updated: 2026-06-25 10:35A certain Red Hat build script for nfs-utils before 1.0.9-35z.el5_2 on Red Hat Enterprise Linux (RHEL) 5 omits TCP wrappers support, which might allow remote attackers to bypass intended access restrictions.
| Product | Identifier | Version | Remediation |
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| Unresolved product id: 4AS:nfs-utils-0:1.0.6-93.EL4.i386 | — |
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| Unresolved product id: 4AS:nfs-utils-0:1.0.6-93.EL4.ia64 | — |
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| Unresolved product id: 4AS:nfs-utils-0:1.0.6-93.EL4.ppc | — |
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| Unresolved product id: 4AS:nfs-utils-0:1.0.6-93.EL4.s390 | — |
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| Unresolved product id: 4AS:nfs-utils-0:1.0.6-93.EL4.s390x | — |
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| Unresolved product id: 4AS:nfs-utils-0:1.0.6-93.EL4.src | — |
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| Unresolved product id: 4AS:nfs-utils-0:1.0.6-93.EL4.x86_64 | — |
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| Unresolved product id: 4AS:nfs-utils-debuginfo-0:1.0.6-93.EL4.i386 | — |
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| Unresolved product id: 4AS:nfs-utils-debuginfo-0:1.0.6-93.EL4.ia64 | — |
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| Unresolved product id: 4AS:nfs-utils-debuginfo-0:1.0.6-93.EL4.ppc | — |
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| Unresolved product id: 4AS:nfs-utils-debuginfo-0:1.0.6-93.EL4.s390 | — |
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| Unresolved product id: 4AS:nfs-utils-debuginfo-0:1.0.6-93.EL4.s390x | — |
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| Unresolved product id: 4AS:nfs-utils-debuginfo-0:1.0.6-93.EL4.x86_64 | — |
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| Unresolved product id: 4Desktop:nfs-utils-0:1.0.6-93.EL4.i386 | — |
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| Unresolved product id: 4Desktop:nfs-utils-0:1.0.6-93.EL4.src | — |
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| Unresolved product id: 4Desktop:nfs-utils-0:1.0.6-93.EL4.x86_64 | — |
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| Unresolved product id: 4Desktop:nfs-utils-debuginfo-0:1.0.6-93.EL4.i386 | — |
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| Unresolved product id: 4Desktop:nfs-utils-debuginfo-0:1.0.6-93.EL4.x86_64 | — |
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| Unresolved product id: 4ES:nfs-utils-0:1.0.6-93.EL4.i386 | — |
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| Unresolved product id: 4ES:nfs-utils-0:1.0.6-93.EL4.ia64 | — |
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| Unresolved product id: 4ES:nfs-utils-0:1.0.6-93.EL4.src | — |
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| Unresolved product id: 4ES:nfs-utils-0:1.0.6-93.EL4.x86_64 | — |
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| Unresolved product id: 4ES:nfs-utils-debuginfo-0:1.0.6-93.EL4.i386 | — |
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| Unresolved product id: 4ES:nfs-utils-debuginfo-0:1.0.6-93.EL4.ia64 | — |
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| Unresolved product id: 4ES:nfs-utils-debuginfo-0:1.0.6-93.EL4.x86_64 | — |
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| Unresolved product id: 4WS:nfs-utils-0:1.0.6-93.EL4.i386 | — |
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| Unresolved product id: 4WS:nfs-utils-0:1.0.6-93.EL4.ia64 | — |
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| Unresolved product id: 4WS:nfs-utils-0:1.0.6-93.EL4.src | — |
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| Unresolved product id: 4WS:nfs-utils-0:1.0.6-93.EL4.x86_64 | — |
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| Unresolved product id: 4WS:nfs-utils-debuginfo-0:1.0.6-93.EL4.i386 | — |
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| Unresolved product id: 4WS:nfs-utils-debuginfo-0:1.0.6-93.EL4.ia64 | — |
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| Unresolved product id: 4WS:nfs-utils-debuginfo-0:1.0.6-93.EL4.x86_64 | — |
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"text": "Moderate"
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"category": "summary",
"text": "An updated nfs-utils package that fixes a security issue and multiple bugs\nis now available for Red Hat Enterprise Linux 4.\n\nThis update has been rated as having moderate security impact by the Red\nHat Security Response Team.",
"title": "Topic"
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"text": "The nfs-utils package provides a daemon for the kernel NFS server and\nrelated tools, which provides a much higher level of performance than the\ntraditional Linux NFS server used by most users.\n\nA flaw was found in the nfs-utils package provided by RHBA-2008:0742. The\nnfs-utils package was missing TCP wrappers support, which could result in\nan administrator believing they had access restrictions enabled when they\ndid not. (CVE-2008-1376)\n\nThis update also includes the following bug fixes:\n\n* the \"nfsstat\" command now displays correct statistics. In previous\nversions, performing more than 2^31 RPC calls could cause the \"nfsstat\"\ncommand to incorrectly display the number of calls as \"negative\". This was\nbecause \"nfsstat\" printed statistics from /proc/net/rpc/* files as signed\nintegers; with this version of nfs-utils, \"nfsstat\" now reads and prints\nthese statistics as unsigned integers. (BZ#404831)\n\n* imapd upcalls now support zero-length reads and perform extra bounds\nchecking in gssd and svcgssd. This fixes a bug in previous versions that\ncould cause the rpc.imapd daemon to hang when communicating with the\nkernel, which would halt any ID translation services. (BZ#448710)\n\n* tcp_wrappers supported in nfs-utils now allows proper application of\nhosts access rules defined in /etc/hosts.allow and /etc/hosts.deny. (BZ#494585)\n\n* the nfs init script did not check whether SECURE_NFS was set to \"yes\"\nbefore starting, stopping, or querying rpc.svcgssd. On systems where\nSECURE_NFS was not set to \"yes\", the nfs init script could not start the\nrpc.svcgssd daemon at the \"service nfs start\" command because the rpcsvcssd\ninit script would check the status of SECURE_NFS before starting the\ndaemon. However, at the \"service nfs stop\" or \"service nfs restart\"\ncommands, nfs init script would attempt to stop rpc.svcgssd and then report\na failure because the daemon was not running in the first place. These\nerror messages may have misled end-users into believing that there was a\ngenuine problem with their NFS configuration. This version of nfs-utils\ncontains a fix backported from Red Hat Enterprise Linux 5. nfs-utils now\nchecks the status of SECURE_NFS before the nfs init script attempts to\nstart, query or stop rpc.svcgssd and therefore, the irrelevant error\nmessages seen previously will not appear. (BZ#470423)\n\n* the nfs init script is now fully compliant with Linux Standard Base Core\nspecifications. This update fixes a bug that prevented \"/etc/init.d/nfs\nstart\" from exiting properly if NFS was already running. (BZ#474570)\n\n* /var/lib/nfs/statd/sm is now created with the proper user and group\nwhenever rpc.statd is called. In previous versions, some thread stack\nconditions could incorrectly prevent rpc.statd from creating the\n/var/lib/nfs/statd/sm file, which could cause \"service nfslock start\" to\nfail. (BZ#479376)\n\nAll users of nfs-utils should upgrade to this updated package, which\nresolves these issues.",
"title": "Details"
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"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.