VulnerabilityModified
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…
LOW 2.1EPSS 2.09%
Does this matter?
Lower severity and a low EPSS score (2.09%). Track it; it rarely justifies an emergency change on its own.
Description
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."
- CVSS 2.0
- 2.1 LOWAV:N/AC:H/Au:S/C:N/I:P/A:N
- EPSS
- 2.09% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-16, CWE-264
- Affected
- mit/kerberos 5
- Source
- cve@mitre.org
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.txtVendor Advisory
- 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.txtVendor Advisory
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.