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OpenPegasus PAM Module Buffer Overflow Vulnerabilities
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Secunia Advisory:
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SA28358
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Release Date:
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2008-01-08
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Popularity:
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5,323 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From local network
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Solution Status:
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Partial Fix
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| Software: | OpenPegasus 2.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2007-5360
CVE-2008-0003
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Description:
Some vulnerabilities have been reported in OpenPegasus, which can potentially be exploited by malicious people to compromise a vulnerable system.
1) A boundary error exists within the "PAMBasicAuthenticator::PAMCallback()" method and can be exploited to cause a buffer overflow via an overly long password.
Successful exploitation may allow execution of arbitrary code.
2) A boundary error within the PAM module can be exploited to cause a buffer overflow and potentially allows execution of arbitrary code.
Solution:
Vulnerability #1 is fixed in the CVS repository.
http://cvs.opengroup.org/cgi-bin/cvsw...&only_with_tag=RELEASE_2_6-branch
Restrict network access to the affected service.
Provided and/or discovered by:
1) Mark J. Cox, via a Red Hat bug report.
2) Alexander Sotirov from VMware Security Research, reported via a VMWare advisory.
Original Advisory:
Red Hat:
https://bugzilla.redhat.com/show_bug.cgi?id=426578
VMware:
http://lists.vmware.com/pipermail/security-announce/2008/000002.html
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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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