[krbdev.mit.edu #9206] git commit

[Greg Hudson via RT]

<URL: https://krbdev.mit.edu/rt/Ticket/Display.html?id=9206 >


Prevent read overrun in libkdb_ldap

In berval2tl_data(), reject inputs of length less than 2 to prevent an
integer underflow and subsequent read overrun.  (The security impact
is negligible as the attacker would have to control the KDB LDAP
server.)

[ghudson at mit.edu: wrote commit message]

(cherry picked from commit 2a5fd83d4436583f2ddc0e193269a4d800ee45c4)

https://github.com/krb5/krb5/commit/974a8875767a2f375669f84b176c7d98a7c85a20
Author: Sebastián Alba <sebasjosue84 at gmail.com>
Committer: Greg Hudson <ghudson at mit.edu>
Commit: 974a8875767a2f375669f84b176c7d98a7c85a20
Branch: krb5-1.22
 src/plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c | 3 +++
 1 file changed, 3 insertions(+)