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CVE-2016-3119

The process_db_args function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB...

5.3 MediumFix available

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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

39.8%Up 38.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.3

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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Record
CVE-2016-3119
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
3.5 LowAV:N/AC:M/Au:S/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Record
CVE-2016-3119
Updated
2026-11-02
EUVDEUVD-2016-4172 No score

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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Record
EUVD-2016-4172
Updated
2026-11-03
GitHub AdvisoriesGHSA-qq9x-4x4m-294x 5.3

The process_db_args function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB...

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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Record
GHSA-qq9x-4x4m-294x
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVALPINE-CVE-2016-3119 5.3

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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Record
ALPINE-CVE-2016-3119
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 5.3

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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Record
CVE-2016-3119
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 7 moreShow less
OSVDEBIAN-CVE-2016-3119 5.3

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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Record
DEBIAN-CVE-2016-3119
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2016:2591 5.3

Red Hat Security Advisory: krb5 security, bug fix, and enhancement update

Record
RHSA-2016:2591
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2016-3119 5.3

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 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

Record
UBUNTU-CVE-2016-3119
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2016-0123 No score

Updated krb5 packages fix security vulnerability

It was reported that in all versions of MIT krb5, an authenticated attacker with permission to modify a principal entry can cause kadmind to dereference a null pointer by supplying an empty DB argument to the modify_principal command, if kadmind is configured to use the LDAP KDB module (CVE-2016-3119).

The krb5 package has been updated to version 1.12.5 and patched to fix this issue and other bugs.

Record
MGASA-2016-0123
Updated
2026-11-02
OSVopenSUSE-SU-2024:10004-1 No score

krb5-1.15-1.1 on GA media

These are all security issues fixed in the krb5-1.15-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10004-1
Updated
2026-11-02
OSVSUSE-SU-2016:0994-1 No score

Security update for krb5

This update for krb5 fixes the following security issue:

  • CVE-2016-3119: An authenticated attacker with permission to modify a principal entry could have caused kadmind to dereference a null pointer by supplying an empty DB argument to the modify_principal command, if kadmind is configured to use the LDAP KDB module. (bsc#971942)
Record
SUSE-SU-2016:0994-1
Updated
2026-11-02
OSVSUSE-SU-2016:1088-1 No score

Security update for krb5

This update for krb5 fixes the following security issue:

  • CVE-2016-3119: An authenticated attacker with permission to modify a principal entry could have caused kadmind to dereference a null pointer by supplying an empty DB argument to the modify_principal command, if kadmind is configured to use the LDAP KDB module. (bsc#971942)
Record
SUSE-SU-2016:1088-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
krb5
Alpine:v3.4
 before 1.14-r2
1.14-r2
krb5
Debian:12
 before 1.14.2+dfsg-1
1.14.2+dfsg-1
krb5
Debian:13
 before 1.14.2+dfsg-1
1.14.2+dfsg-1
krb5
Debian:14
 before 1.14.2+dfsg-1
1.14.2+dfsg-1
krb5
Debian:7
 before 1.10.1+dfsg-5+deb7u9, plus listed versions
1.10.1+dfsg-51.10.1+dfsg-5+deb7u11.10.1+dfsg-5+deb7u21.10.1+dfsg-5+deb7u31.10.1+dfsg-5+deb7u4
Show 4 moreShow less
1.10.1+dfsg-5+deb7u51.10.1+dfsg-5+deb7u61.10.1+dfsg-5+deb7u71.10.1+dfsg-5+deb7u8
1.10.1+dfsg-5+deb7u9
krb5
Mageia:5
 before 1.12.5-1.mga5
1.12.5-1.mga5
krb5-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-devel
Red Hat:enterprise_linux:7::client
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-server
Red Hat:enterprise_linux:7::client
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-server-ldap
Red Hat:enterprise_linux:7::client
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
Show 46 moreShow less
Affected packages
PackageAffectedFixed
krb5
Red Hat:enterprise_linux:7::client
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-libs
Red Hat:enterprise_linux:7::client
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-pkinit
Red Hat:enterprise_linux:7::client
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-workstation
Red Hat:enterprise_linux:7::client
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
libkadm5
Red Hat:enterprise_linux:7::client
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-devel
Red Hat:enterprise_linux:7::computenode
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-server
Red Hat:enterprise_linux:7::computenode
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-server-ldap
Red Hat:enterprise_linux:7::computenode
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5
Red Hat:enterprise_linux:7::computenode
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-libs
Red Hat:enterprise_linux:7::computenode
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-pkinit
Red Hat:enterprise_linux:7::computenode
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-workstation
Red Hat:enterprise_linux:7::computenode
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
libkadm5
Red Hat:enterprise_linux:7::computenode
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5
Red Hat:enterprise_linux:7::server
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-devel
Red Hat:enterprise_linux:7::server
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-libs
Red Hat:enterprise_linux:7::server
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-pkinit
Red Hat:enterprise_linux:7::server
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-server
Red Hat:enterprise_linux:7::server
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-server-ldap
Red Hat:enterprise_linux:7::server
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-workstation
Red Hat:enterprise_linux:7::server
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
libkadm5
Red Hat:enterprise_linux:7::server
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5
Red Hat:enterprise_linux:7::workstation
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-devel
Red Hat:enterprise_linux:7::workstation
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-libs
Red Hat:enterprise_linux:7::workstation
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-pkinit
Red Hat:enterprise_linux:7::workstation
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-server
Red Hat:enterprise_linux:7::workstation
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-server-ldap
Red Hat:enterprise_linux:7::workstation
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5-workstation
Red Hat:enterprise_linux:7::workstation
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
libkadm5
Red Hat:enterprise_linux:7::workstation
 before 0:1.14.1-26.el7
0:1.14.1-26.el7
krb5
SUSE:Linux Enterprise Desktop 12
 before 1.12.1-28.1
1.12.1-28.1
krb5
SUSE:Linux Enterprise Desktop 12 SP1
 before 1.12.1-28.1
1.12.1-28.1
krb5
SUSE:Linux Enterprise Software Development Kit 12
 before 1.12.1-28.1
1.12.1-28.1
krb5
SUSE:Linux Enterprise Software Development Kit 12 SP1
 before 1.12.1-28.1
1.12.1-28.1
krb5
SUSE:Linux Enterprise Server 12
 before 1.12.1-28.1
1.12.1-28.1
krb5
SUSE:Linux Enterprise Server for SAP Applications 12
 before 1.12.1-28.1
1.12.1-28.1
krb5
SUSE:Linux Enterprise Server 12 SP1
 before 1.12.1-28.1
1.12.1-28.1
krb5
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
 before 1.12.1-28.1
1.12.1-28.1
krb5
SUSE:Linux Enterprise Software Development Kit 11 SP4
 before 1.6.3-133.49.109.1
1.6.3-133.49.109.1
krb5
SUSE:Linux Enterprise Server 11 SP4
 before 1.6.3-133.49.109.1
1.6.3-133.49.109.1
krb5
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
 before 1.6.3-133.49.109.1
1.6.3-133.49.109.1
krb5
Ubuntu:14.04:LTS
 before 1.12+dfsg-2ubuntu5.4, plus listed versions
1.10.1+dfsg-6.1ubuntu11.11.3+dfsg-3ubuntu21.12+dfsg-2ubuntu11.12+dfsg-2ubuntu21.12+dfsg-2ubuntu3
Show 6 moreShow less
1.12+dfsg-2ubuntu41.12+dfsg-2ubuntu4.21.12+dfsg-2ubuntu51.12+dfsg-2ubuntu5.11.12+dfsg-2ubuntu5.21.12+dfsg-2ubuntu5.3
1.12+dfsg-2ubuntu5.4
krb5
Ubuntu:16.04:LTS
 before 1.13.2+dfsg-5ubuntu2.1, plus listed versions
1.13.2+dfsg-21.13.2+dfsg-31.13.2+dfsg-41.13.2+dfsg-51.13.2+dfsg-5ubuntu11.13.2+dfsg-5ubuntu2
1.13.2+dfsg-5ubuntu2.1
krb5
openSUSE:Tumbleweed
 before 1.15-1.1
1.15-1.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-3119 is a medium vulnerability (CVSS 5.3) in Mit Kerberos 5, published March 25, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 39.8%, the 98th percentile. Fixed in krb5 1.14-r2.

References

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