Debian: DSA-3466-1 Urgent: Memory Leak Vulnerability in Krb5 Detected

CVE-2015-8629

It was discovered that an authenticated attacker can cause kadmind
to read beyond the end of allocated memory by sending a string
without a terminating zero byte. Information leakage may be possible
for an attacker with permission to modify the database.

CVE-2015-8630

It was discovered that an authenticated attacker with permission to
modify a principal entry can cause kadmind to dereference a null
pointer by supplying a null policy value but including KADM5_POLICY
in the mask.

CVE-2015-8631

It was discovered that an authenticated attacker can cause kadmind
to leak memory by supplying a null principal name in a request which
uses one. Repeating these requests will eventually cause kadmind to
exhaust all available memory.

For the oldstable distribution (wheezy), these problems have been fixed
in version 1.10.1+dfsg-5+deb7u7. The oldstable distribution (wheezy) is
not affected by CVE-2015-8630.

For the stable distribution (jessie), these pro...