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MIT » Kerberos 5 » * * * * : Security Vulnerabilities

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2021-37750 476 2021-08-23 2021-10-07
4.0
None Remote Low ??? None None Partial
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.
2 CVE-2021-36222 476 2021-07-22 2021-11-28
5.0
None Remote Low Not required None None Partial
ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.
3 CVE-2020-28196 674 2020-11-06 2022-05-12
5.0
None Remote Low Not required None None Partial
MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit.
4 CVE-2019-14844 2019-09-26 2022-03-25
5.0
None Remote Low Not required None None Partial
A flaw was found in, Fedora versions of krb5 from 1.16.1 to, including 1.17.x, in the way a Kerberos client could crash the KDC by sending one of the RFC 4556 "enctypes". A remote unauthenticated user could use this flaw to crash the KDC.
5 CVE-2018-5730 90 2018-03-06 2022-04-18
5.5
None Remote Low ??? Partial Partial None
MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to circumvent a DN containership check by supplying both a "linkdn" and "containerdn" database argument, or by supplying a DN string which is a left extension of a container DN string but is not hierarchically within the container DN.
6 CVE-2018-5729 476 DoS Bypass 2018-03-06 2021-10-18
6.5
None Remote Low ??? Partial Partial Partial
MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.
7 CVE-2017-15088 119 DoS Exec Code Overflow 2017-11-23 2021-01-26
7.5
None Remote Low Not required Partial Partial Partial
plugins/preauth/pkinit/pkinit_crypto_openssl.c in MIT Kerberos 5 (aka krb5) through 1.15.2 mishandles Distinguished Name (DN) fields, which allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow and application crash) in situations involving untrusted X.509 data, related to the get_matching_data and X509_NAME_oneline_ex functions. NOTE: this has security relevance only in use cases outside of the MIT Kerberos distribution, e.g., the use of get_matching_data in KDC certauth plugin code that is specific to Red Hat.
8 CVE-2017-7562 287 Bypass 2018-07-26 2020-01-21
4.0
None Remote Low ??? None Partial None
An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.
9 CVE-2015-8631 772 DoS 2016-02-13 2021-02-02
4.0
None Remote Low ??? None None Partial
Multiple memory leaks in kadmin/server/server_stubs.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (memory consumption) via a request specifying a NULL principal name.
10 CVE-2015-8629 125 DoS +Info 2016-02-13 2021-02-02
2.1
None Remote High ??? Partial None None
The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether '\0' characters exist as expected, which allows remote authenticated users to obtain sensitive information or cause a denial of service (out-of-bounds read) via a crafted string.
11 CVE-2015-2697 125 DoS 2015-11-09 2021-02-02
4.0
None Remote Low ??? None None Partial
The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial '\0' character in a long realm field within a TGS request.
12 CVE-2015-2696 18 DoS 2015-11-09 2021-02-02
7.1
None Remote Medium Not required None None Complete
lib/gssapi/krb5/iakerb.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service (incorrect pointer read and process crash) via a crafted IAKERB packet that is mishandled during a gss_inquire_context call.
13 CVE-2015-2695 763 DoS 2015-11-09 2021-02-02
5.0
None Remote Low Not required None None Partial
lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service (incorrect pointer read and process crash) via a crafted SPNEGO packet that is mishandled during a gss_inquire_context call.
14 CVE-2014-5353 476 DoS 2014-12-16 2021-02-02
3.5
None Remote Medium ??? None None Partial
The krb5_ldap_get_password_policy_from_dn function in plugins/kdb/ldap/libkdb_ldap/ldap_pwd_policy.c in MIT Kerberos 5 (aka krb5) before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (daemon crash) via a successful LDAP query with no results, as demonstrated by using an incorrect object type for a password policy.
15 CVE-2014-4341 125 DoS 2014-07-20 2021-02-02
5.0
None Remote Low Not required None None Partial
MIT Kerberos 5 (aka krb5) before 1.12.2 allows remote attackers to cause a denial of service (buffer over-read and application crash) by injecting invalid tokens into a GSSAPI application session.
16 CVE-2013-1418 476 DoS 2013-11-18 2021-02-02
4.3
None Remote Medium Not required None None Partial
The setup_server_realm function in main.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.7, when multiple realms are configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request.
17 CVE-2013-1416 476 DoS 2013-04-19 2021-02-02
4.0
None Remote Low ??? None None Partial
The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.
18 CVE-2013-1415 476 DoS 2013-03-05 2021-02-02
5.0
None Remote Low Not required None None Partial
The pkinit_check_kdc_pkid function in plugins/preauth/pkinit/pkinit_crypto_openssl.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 and 1.11.x before 1.11.1 does not properly handle errors during extraction of fields from an X.509 certificate, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed KRB5_PADATA_PK_AS_REQ AS-REQ request.
19 CVE-2012-1016 476 DoS 2013-03-05 2021-02-02
5.0
None Remote Low Not required None None Partial
The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 attempts to find an agility KDF identifier in inappropriate circumstances, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted Draft 9 request.
20 CVE-2010-1321 476 DoS 2010-05-19 2021-02-02
6.8
None Remote Low ??? None None Complete
The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator's checksum field is missing.
21 CVE-2007-2798 787 Exec Code Overflow 2007-06-26 2021-02-02
9.0
None Remote Low ??? Complete Complete Complete
Stack-based buffer overflow in the rename_principal_2_svc function in kadmind for MIT Kerberos 1.5.3, 1.6.1, and other versions allows remote authenticated users to execute arbitrary code via a crafted request to rename a principal.
22 CVE-2007-2443 Exec Code 2007-06-26 2021-02-02
8.3
None Local Network Low Not required Complete Complete Complete
Integer signedness error in the gssrpc__svcauth_unix function in svc_auth_unix.c in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a negative length value.
23 CVE-2007-2442 Exec Code 2007-06-26 2021-02-02
10.0
None Remote Low Not required Complete Complete Complete
The gssrpc__svcauth_gssapi function in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a zero-length RPC credential, which causes kadmind to free an uninitialized pointer during cleanup.
24 CVE-2007-1216 415 Exec Code 2007-04-06 2021-02-02
9.0
None Remote Low ??? Complete Complete Complete
Double free vulnerability in the GSS-API library (lib/gssapi/krb5/k5unseal.c), as used by the Kerberos administration daemon (kadmind) in MIT krb5 before 1.6.1, when used with the authentication method provided by the RPCSEC_GSS RPC library, allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via a message with an "an invalid direction encoding".
25 CVE-2007-0957 787 Exec Code Overflow 2007-04-06 2021-02-02
9.0
None Remote Low ??? Complete Complete Complete
Stack-based buffer overflow in the krb5_klog_syslog function in the kadm5 library, as used by the Kerberos administration daemon (kadmind) and Key Distribution Center (KDC), in MIT krb5 before 1.6.1 allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via crafted arguments, possibly involving certain format string specifiers.
26 CVE-2007-0956 306 Bypass 2007-04-06 2021-02-02
10.0
None Remote Low Not required Complete Complete Complete
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.
27 CVE-2006-6144 DoS 2006-12-31 2021-02-02
5.0
None Remote Low Not required None None Partial
The "mechglue" abstraction interface of the GSS-API library for Kerberos 5 1.5 through 1.5.1, as used in Kerberos administration daemon (kadmind) and other products that use this library, allows remote attackers to cause a denial of service (crash) via unspecified vectors that cause mechglue to free uninitialized pointers.
28 CVE-2004-1189 787 Exec Code Overflow 2004-12-31 2021-02-02
7.2
None Local Low Not required Complete Complete Complete
The add_to_history function in svr_principal.c in libkadm5srv for MIT Kerberos 5 (krb5) up to 1.3.5, when performing a password change, does not properly track the password policy's history count and the maximum number of keys, which can cause an array index out-of-bounds error and may allow authenticated users to execute arbitrary code via a heap-based buffer overflow.
29 CVE-2004-0643 415 Exec Code 2004-09-28 2021-02-02
4.6
None Local Low Not required Partial Partial Partial
Double free vulnerability in the krb5_rd_cred function for MIT Kerberos 5 (krb5) 1.3.1 and earlier may allow local users to execute arbitrary code.
30 CVE-2004-0642 415 Exec Code 2004-09-28 2021-02-02
7.5
None Remote Low Not required Partial Partial Partial
Double free vulnerabilities in the error handling code for ASN.1 decoders in the (1) Key Distribution Center (KDC) library and (2) client library for MIT Kerberos 5 (krb5) 1.3.4 and earlier may allow remote attackers to execute arbitrary code.
31 CVE-2002-2443 20 DoS 2013-05-29 2021-02-02
5.0
None Remote Low Not required None None Partial
schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does not properly validate UDP packets before sending responses, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged packet that triggers a communication loop, as demonstrated by krb_pingpong.nasl, a related issue to CVE-1999-0103.
32 CVE-2002-1235 Exec Code Overflow 2002-11-04 2020-01-21
10.0
None Remote Low Not required Complete Complete Complete
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 in KTH Kerberos 5 (Heimdal) before 0.5.1 when compiled with Kerberos 4 support, does not properly verify the length field of a request, which allows remote attackers to execute arbitrary code via a buffer overflow attack.
33 CVE-2001-1323 120 DoS Exec Code Overflow 2001-05-16 2021-11-04
7.5
None Remote Low Not required Partial Partial Partial
Buffer overflow in MIT Kerberos 5 (krb5) 1.2.2 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via base-64 encoded data, which is not properly handled when the radix_encode function processes file glob output from the ftpglob function.
34 CVE-2000-0548 120 DoS Overflow 2000-06-09 2021-02-02
5.0
None Remote Low Not required None None Partial
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the e_msg variable in the kerb_err_reply function.
35 CVE-2000-0547 120 DoS Overflow 2000-06-09 2021-02-02
5.0
None Remote Low Not required None None Partial
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the localrealm variable in the process_v4 function.
36 CVE-2000-0546 120 DoS Overflow 2000-06-09 2021-02-02
5.0
None Remote Low Not required None None Partial
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.
Total number of vulnerabilities : 36   Page : 1 (This Page)
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