CVE-2010-1323 Weak cryptography in n/a

Low 3.7 Published Updated

Remote attackers can modify KDC responses or forge messages due to improper checksum validation in MIT Kerberos 5.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2010-1323?

CVE-2010-1323 is a low-severity vulnerability in Mit Kerberos 5, published on 2 Dec 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MIT Kerberos 5 (aka krb5) 1.3.x, 1.4.x, 1.5.x, 1.6.x, 1.7.x, and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to modify user-visible prompt text, modify a response to a Key Distribution Center (KDC), or forge a KRB-SAFE message via certain checksums that (1) are unkeyed or (2) use RC4 keys.

Weakness: CWE-310

Which versions are affected by CVE-2010-1323?

It affects 2 products.

Linux distribution packages (38)
krb5 Red Hat:enterprise_linux:4::asAll versions0:1.3.4-62.el4_8.3
krb5-debuginfo Red Hat:enterprise_linux:4::asAll versions0:1.3.4-62.el4_8.3
krb5-devel Red Hat:enterprise_linux:4::asAll versions0:1.3.4-62.el4_8.3
krb5-libs Red Hat:enterprise_linux:4::asAll versions0:1.3.4-62.el4_8.3
krb5-server Red Hat:enterprise_linux:4::asAll versions0:1.3.4-62.el4_8.3
krb5-workstation Red Hat:enterprise_linux:4::asAll versions0:1.3.4-62.el4_8.3
krb5 Red Hat:enterprise_linux:4::desktopAll versions0:1.3.4-62.el4_8.3
krb5-debuginfo Red Hat:enterprise_linux:4::desktopAll versions0:1.3.4-62.el4_8.3
krb5-devel Red Hat:enterprise_linux:4::desktopAll versions0:1.3.4-62.el4_8.3
krb5-libs Red Hat:enterprise_linux:4::desktopAll versions0:1.3.4-62.el4_8.3
krb5-server Red Hat:enterprise_linux:4::desktopAll versions0:1.3.4-62.el4_8.3
krb5-workstation Red Hat:enterprise_linux:4::desktopAll versions0:1.3.4-62.el4_8.3
krb5 Red Hat:enterprise_linux:4::esAll versions0:1.3.4-62.el4_8.3
krb5-debuginfo Red Hat:enterprise_linux:4::esAll versions0:1.3.4-62.el4_8.3
krb5-devel Red Hat:enterprise_linux:4::esAll versions0:1.3.4-62.el4_8.3
krb5-libs Red Hat:enterprise_linux:4::esAll versions0:1.3.4-62.el4_8.3
krb5-server Red Hat:enterprise_linux:4::esAll versions0:1.3.4-62.el4_8.3
krb5-workstation Red Hat:enterprise_linux:4::esAll versions0:1.3.4-62.el4_8.3
krb5 Red Hat:enterprise_linux:4::wsAll versions0:1.3.4-62.el4_8.3
krb5-debuginfo Red Hat:enterprise_linux:4::wsAll versions0:1.3.4-62.el4_8.3
krb5-devel Red Hat:enterprise_linux:4::wsAll versions0:1.3.4-62.el4_8.3
krb5-libs Red Hat:enterprise_linux:4::wsAll versions0:1.3.4-62.el4_8.3
krb5-server Red Hat:enterprise_linux:4::wsAll versions0:1.3.4-62.el4_8.3
krb5-workstation Red Hat:enterprise_linux:4::wsAll versions0:1.3.4-62.el4_8.3
krb5 Red Hat:enterprise_linux:5::clientAll versions0:1.6.1-36.el5_5.6
krb5-debuginfo Red Hat:enterprise_linux:5::clientAll versions0:1.6.1-36.el5_5.6
krb5-libs Red Hat:enterprise_linux:5::clientAll versions0:1.6.1-36.el5_5.6
krb5-workstation Red Hat:enterprise_linux:5::clientAll versions0:1.6.1-36.el5_5.6
krb5 Red Hat:enterprise_linux:5::client_workstationAll versions0:1.6.1-36.el5_5.6
krb5-debuginfo Red Hat:enterprise_linux:5::client_workstationAll versions0:1.6.1-36.el5_5.6
krb5-devel Red Hat:enterprise_linux:5::client_workstationAll versions0:1.6.1-36.el5_5.6
krb5-server Red Hat:enterprise_linux:5::client_workstationAll versions0:1.6.1-36.el5_5.6
krb5 Red Hat:enterprise_linux:5::serverAll versions0:1.6.1-36.el5_5.6
krb5-debuginfo Red Hat:enterprise_linux:5::serverAll versions0:1.6.1-36.el5_5.6
krb5-devel Red Hat:enterprise_linux:5::serverAll versions0:1.6.1-36.el5_5.6
krb5-libs Red Hat:enterprise_linux:5::serverAll versions0:1.6.1-36.el5_5.6
krb5-server Red Hat:enterprise_linux:5::serverAll versions0:1.6.1-36.el5_5.6
krb5-workstation Red Hat:enterprise_linux:5::serverAll versions0:1.6.1-36.el5_5.6

Products include Mit Kerberos, Mit Kerberos 5.

How do I fix CVE-2010-1323?

Apply the vendor's patch.

Is CVE-2010-1323 being exploited?

There is no known exploitation of CVE-2010-1323 in the wild and no public exploit code.

All Mit Kerberos 5 vulnerabilities

Sources

Also known as DEBIAN-CVE-2010-1323, DSA-2129-1, GHSA-j54m-cwfx-hj5g, RHSA-2010:0926.

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