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CVE Record

CVE-2011-1248: WINS in Microsoft Windows Server 2003 SP2 and Server 2008 Gold, SP2, R2, and R2 SP1 does not properly handl...

WINS in Microsoft Windows Server 2003 SP2 and Server 2008 Gold, SP2, R2, and R2 SP1 does not properly handle socket send exceptions, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted packets, related to unintended stack-frame values and buffer passing, aka "WINS Service Failed Response Vulnerability."

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This vulnerability affects the Windows Internet Name Service on older Microsoft Windows Server releases. A remote attacker could send crafted network packets that may crash the service or run code on the server. The main business risk is legacy infrastructure compromise or outage where WINS is still enabled.

Executive priority

Prioritize this when legacy Windows name-resolution infrastructure is still present. The issue is old, but remote code execution in an infrastructure service remains serious if unpatched systems are reachable.

Technical view

CVE-2011-1248 is a WINS service memory corruption issue caused by improper handling of socket send exceptions, unintended stack-frame values, and buffer passing. The CVE description says crafted packets can trigger arbitrary code execution or denial of service on Windows Server 2003 SP2 and Windows Server 2008 variants listed by Microsoft.

Likely exposure

Exposure is most likely in legacy Windows Server environments where WINS is installed and reachable. Modern environments without WINS, or with affected systems retired, are unlikely to be exposed. The bundle does not identify newer affected products.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. It does state remote attackers can use crafted packets to trigger code execution or denial of service. Treat internet- or broadly network-reachable WINS servers as higher concern.

Researcher notes

Evidence is limited to the CVE description, Microsoft bulletin reference, and OVAL definition. No CVSS, CWE, or KEV exploitation signal is included in the bundle. Do not assume exploit availability or affected products beyond the listed Windows Server versions.

Mitigation direction

  • Review Microsoft MS11-035 guidance for the official security update and applicability.
  • Patch or retire affected Windows Server 2003 and 2008 WINS hosts.
  • Disable WINS where it is no longer operationally required.
  • Restrict WINS network access to only trusted internal systems.
  • Prioritize segmentation for any legacy server that cannot be patched.

Validation and detection

  • Inventory servers running the WINS service.
  • Confirm whether each WINS host matches the affected Windows Server versions.
  • Check patch state against Microsoft MS11-035 or OVAL definition 12724.
  • Review firewall rules for unnecessary WINS exposure.
  • Document any compensating controls for unsupported legacy systems.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2011-1248 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.