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Heimdal rshd Privilege Escalation and Telnet Denial of Service
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Secunia Advisory:
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SA18733
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Release Date:
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2006-02-07
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Last Update:
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2006-02-16
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Popularity:
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7,686 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
DoS
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | Heimdal 0.6.x
Heimdal 0.7.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2006-0582
CVE-2006-0677
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Description:
Two vulnerabilities have been reported in Heimdal, which can be exploited by malicious, local users to gain escalated privileges or by malicious people to cause a DoS (Denial of Service).
1) An unspecified error in the rshd server when storing forwarded credentials can be exploited to overwrite a file with its credential cache and get ownership of the file.
2) A NULL pointer dereference error in the telnet service can be exploited to crash it.
Solution:
Update to version 0.7.2 or 0.6.6.
Provided and/or discovered by:
Reported by vendor.
Changelog:
2006-02-09: Added CVE reference.
2006-02-16: Added information about additional vulnerability.
Original Advisory:
http://www.pdc.kth.se/heimdal/advisory/2006-02-06/
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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