Vulnerability CVE-2006-3084
Published: 2006-08-09   Modified: 2012-02-12

Description:
The (1) ftpd and (2) ksu programs in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which might allow local users to gain privileges by causing setuid to fail to drop privileges. NOTE: as of 20060808, it is not known whether an exploitable attack scenario exists for these issues.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
MIT -> Kerberos 
Heimdal -> Heimdal 

 References:
ftp://ftp.pdc.kth.se/pub/heimdal/src/heimdal-0.7.2-setuid-patch.txt
http://fedoranews.org/cms/node/2376
http://security.gentoo.org/glsa/glsa-200608-21.xml
http://securitytracker.com/id?1016664
http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2006-001-setuid.txt
http://www.debian.org/security/2006/dsa-1146
http://www.gentoo.org/security/en/glsa/glsa-200608-15.xml
http://www.kb.cert.org/vuls/id/401660
http://www.novell.com/linux/security/advisories/2006_20_sr.html
http://www.pdc.kth.se/heimdal/advisory/2006-08-08/
http://www.securityfocus.com/archive/1/442599/100/0/threaded
http://www.securityfocus.com/archive/1/443498/100/100/threaded
http://www.securityfocus.com/bid/19427
http://www.ubuntu.com/usn/usn-334-1
http://www.vupen.com/english/advisories/2006/3225
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