Kerberos 5 vulnerabilitiesRanked by how likely they are to be used.
Kerberos 5 is made by Mit. We track 137 published vulnerabilities in it, across 123 versions. None of them is on the list of flaws known to be exploited today. If you run Kerberos 5, keep it on a version the vendor still supports.
We keep watching the known-exploited list.
Which Kerberos 5 vulnerabilities are being exploited?
This is the list that matters most: flaws criminals are using now.
None of Kerberos 5's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.
Which Kerberos 5 flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 40%CVE-2009-3295Medium
The prep_reprocess_req function in kdc/do_tgs_req.c in the cross-realm referral implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.1 allows remote attackers to cause a...
- 40%CVE-2016-3119Medium
The process_db_args function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB module in kadmind in MIT Kerberos 5 (aka krb5) through 1.13.4 and 1.14.x through 1.14.1 mishandles the DB argument, which...
- 39%CVE-2001-0554Critical
Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled...
- 30%CVE-2007-0956Critical
The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a similar issue to CVE-2007-0882.
- 21%CVE-2011-0285Critical
The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary...
- 19%CVE-2001-0247Critical
Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern string containing a {} sequence, as seen in (1) g_opendir, (2) g_lstat, (3) g_stat, and (4) the glob0...
- 17%CVE-2005-0488Medium
Certain BSD-based Telnet clients, including those used on Solaris and SuSE Linux, allow remote malicious Telnet servers to read sensitive environment variables via the NEW-ENVIRON option with a SEND ENV_USERVAR command.
- 17%CVE-2000-0389Critical
Buffer overflow in krb_rd_req function in Kerberos 4 and 5 allows remote attackers to gain root privileges.
- 15%CVE-2002-1235Critical
The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2.1, and (3) kadmind...
- 15%CVE-2003-0028High
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc, glibc, and dietlibc, allows remote...
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1 new flaw affects software Acme tracks
The prep_reprocess_req function in kdc/do_tgs_req.c in the cross-realm referral implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a ticket request.
- Matched to
- Kerberos 5 on Acme's software list
- What to do
- Plan in the vendor’s update
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We track 137 published vulnerabilities listed under the name Kerberos 5, across 123 versions.
None of Kerberos 5's vulnerabilities is on the list of flaws known to be exploited today.
Create a Precursor Intelligence account and track Kerberos 5. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.