CVE-2010-4021

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials for armoring TGS requests, which might allow remote authenticated users to impersonate a client by rewriting an inner request, aka a "KrbFastReq forgery issue."
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
2.1 UNKNOWN
NETWORK
HIGH
AV:N/AC:H/Au:S/C:N/I:P/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 64%
VendorProductVersion
mitkerberos_5
1.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
krb5
bullseye (security)
1.18.3-6+deb11u5
fixed
bullseye
1.18.3-6+deb11u5
fixed
lenny
not-affected
bookworm
1.20.1-2+deb12u2
fixed
bookworm (security)
1.20.1-2+deb12u2
fixed
sid
1.21.3-3
fixed
trixie
1.21.3-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
krb5
maverick
not-affected
lucid
not-affected
karmic
Fixed 1.7dfsg~beta3-1ubuntu0.7
released
hardy
not-affected
dapper
not-affected
Common Weakness Enumeration
References
http://kb.vmware.com/kb/1035108
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
http://lists.vmware.com/pipermail/security-announce/2011/000133.html
http://osvdb.org/69607
http://support.apple.com/kb/HT4581
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt
http://www.mandriva.com/security/advisories?name=MDVSA-2010:246
http://www.securityfocus.com/archive/1/514953/100/0/threaded
http://www.securityfocus.com/archive/1/517739/100/0/threaded
http://www.securityfocus.com/bid/45122
http://www.securitytracker.com/id?1024803
http://www.ubuntu.com/usn/USN-1030-1
http://www.vmware.com/security/advisories/VMSA-2011-0007.html
http://www.vupen.com/english/advisories/2010/3094
http://www.vupen.com/english/advisories/2010/3118
http://kb.vmware.com/kb/1035108
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
http://lists.vmware.com/pipermail/security-announce/2011/000133.html
http://osvdb.org/69607
http://support.apple.com/kb/HT4581
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt
http://www.mandriva.com/security/advisories?name=MDVSA-2010:246
http://www.securityfocus.com/archive/1/514953/100/0/threaded
http://www.securityfocus.com/archive/1/517739/100/0/threaded
http://www.securityfocus.com/bid/45122
http://www.securitytracker.com/id?1024803
http://www.ubuntu.com/usn/USN-1030-1
http://www.vmware.com/security/advisories/VMSA-2011-0007.html
http://www.vupen.com/english/advisories/2010/3094
http://www.vupen.com/english/advisories/2010/3118