FKIE_CVE-2007-1859
Vulnerability from fkie_nvd - Published: 2007-05-02 20:19 - Updated: 2026-06-16 22:38
Severity
Summary
XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | enterprise_linux | 2.1 | |
| redhat | enterprise_linux | 2.1 | |
| redhat | enterprise_linux | 2.1 | |
| redhat | enterprise_linux | 3.0 | |
| redhat | enterprise_linux | 3.0 | |
| redhat | enterprise_linux | 3.0 | |
| redhat | enterprise_linux | 4.0 | |
| redhat | enterprise_linux | 4.0 | |
| redhat | enterprise_linux | 4.0 | |
| redhat | enterprise_linux_desktop | 3.0 | |
| redhat | enterprise_linux_desktop | 4.0 | |
| redhat | linux_advanced_workstation | 2.1 | |
| xscreensaver | xscreensaver | 4.10 |
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"source": "secalert@redhat.com"
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"value": "XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication."
},
{
"lang": "es",
"value": "XScreenSaver versi\u00f3n 4.10, cuando est\u00e1 usando un servicio de directorio remoto para credenciales, no maneja apropiadamente los resultados de la funci\u00f3n getpwuid en el archivo drivers/lock.c cuando no hay conectividad de red, lo que causa que XScreenSaver bloquee y desbloquee la pantalla y permita a usuarios locales omitir la autenticaci\u00f3n."
}
],
"id": "CVE-2007-1859",
"lastModified": "2026-06-16T22:38:26.367",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
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"source": "nvd@nist.gov",
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"published": "2007-05-02T20:19:00.000",
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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.
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.
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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.
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