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Usermin "shell" Denial of Service Advisory Available in English 

Secunia Advisory: SA21968  
Udsendt: 2006-09-18

Kritisk:
Ikke kritisk
Betydning: DoS
Hvor: Lokalt System
Løsning Status: Producent Patch

Software:Usermin 1.x

CVE reference:CVE-2006-4246 (Secunia mirror)

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Beskrivelse:
Hendrik Weimer har identificeret en sårbarhed i Usermin, som kan udnyttes af ondsindede brugere til at forårsage et DoS (Denial of Service).

Input suppleret til "shell" parameteren i chfn/save.cgi verificeres ikke korrekt inden det benyttes som parameter for "chsh" kommandoen. Dette kan udnyttes til at ændre login shell for root kontoen ved at supplere en tom"shell" parameter.

Sårbarheden er bekræftet i version 1.180. Andre versioner er muligvis også berørte.

Løsning:
Opdatér til version 1.220 eller senere.

Rapporteret af / Kredit:
Hendrik Weimer

Original Advisory:
http://www.osreviews.net/reviews/admin/usermin



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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7. Usermin kommando-indsættelse og usikker installation
8. Webmin / Usermin omgåelse af adgangsbegrænsninger


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