CVE-2014-4343
Fixed in a distro release EPSS 6%
Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator.
Products: debian_linux, mit kerberos_5, redhat enterprise_linux_desktop, redhat enterprise_linux_hpc_node, redhat enterprise_linux_server, redhat enterprise_linux_workstation
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | krb5 | 1.12.1+dfsg-5 |
| Debian 13 | krb5 | 1.12.1+dfsg-5 |
| Debian 14 | krb5 | 1.12.1+dfsg-5 |
| Debian 6.0 | krb5 | 1.8.3+dfsg-4squeeze8 |
| Debian 7 | krb5 | 1.10.1+dfsg-5+deb7u2 |
| Red Hat Enterprise Linux 6 | krb5 | 0:1.10.3-33.el6 |
| Red Hat Enterprise Linux 6 | krb5-debuginfo | 0:1.10.3-33.el6 |
| Red Hat Enterprise Linux 6 | krb5-devel | 0:1.10.3-33.el6 |
| Red Hat Enterprise Linux 6 | krb5-libs | 0:1.10.3-33.el6 |
| Red Hat Enterprise Linux 6 | krb5-pkinit-openssl | 0:1.10.3-33.el6 |
| Red Hat Enterprise Linux 6 | krb5-server | 0:1.10.3-33.el6 |
| Red Hat Enterprise Linux 6 | krb5-server-ldap | 0:1.10.3-33.el6 |
| Red Hat Enterprise Linux 6 | krb5-workstation | 0:1.10.3-33.el6 |
| Red Hat Enterprise Linux 7 | krb5 | 0:1.12.2-14.el7 |
| Red Hat Enterprise Linux 7 | krb5-debuginfo | 0:1.12.2-14.el7 |
| Red Hat Enterprise Linux 7 | krb5-devel | 0:1.12.2-14.el7 |
| Red Hat Enterprise Linux 7 | krb5-libs | 0:1.12.2-14.el7 |
| Red Hat Enterprise Linux 7 | krb5-pkinit | 0:1.12.2-14.el7 |
| Red Hat Enterprise Linux 7 | krb5-server | 0:1.12.2-14.el7 |
| Red Hat Enterprise Linux 7 | krb5-server-ldap | 0:1.12.2-14.el7 |
| Red Hat Enterprise Linux 7 | krb5-workstation | 0:1.12.2-14.el7 |
| Ubuntu 14.04 LTS | krb5 | 1.12+dfsg-2ubuntu4.2 |
| openSUSE Tumbleweed | krb5 | 1.15-1.1 |