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The sendmail server must have the debug feature disabled on AIX systems.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-215414 | AIX7-00-003116 | SV-215414r508663_rule | Medium |
| Description |
|---|
| Debug mode is a feature present in older versions of Sendmail which, if not disabled, may allow an attacker to gain access to a system through the Sendmail service. |
| STIG | Date |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2022-06-06 |
Details
| Check Text ( C-16612r294693_chk ) |
|---|
| Check the version of "sendmail" installed on the system using: # echo \$Z | /usr/sbin/sendmail -bt -d0 The above command should yield the following output: Version AIX7.2/8.14.4 Compiled with: DNSMAP LDAPMAP LDAP_REFERRALS LOG MAP_REGEX MATCHGECOS MILTER MIME7TO8 MIME8TO7 NAMED_BIND NDBM NETINET NETINET6 NETUNIX NEWDB NIS NISPLUS PIPELINING SCANF USERDB USE_LDAP_INIT USE_TTYPATH XDEBUG If the "sendmail" reported version is less than "8.6", this is a finding. |
| Fix Text (F-16610r294694_fix) |
|---|
| Obtain and install a more recent version of "Sendmail", which does not implement the DEBUG feature. |