Sendmail contains a flaw that may allow a remote attacker to gain elevated privileges. The issue is due to the sm_syslog() function which allows an attacker to pass crafted data to the setjmp(3) and longjmp(3) function causing memory corruption. This can be used to remotely execute arbitrary code without authentication.
Remote / Network Access
Loss of Integrity
Upgrade to version 8.13.6 or higher, as it has been reported to fix this vulnerability. In addition, Sendmail has released a patch for some older versions.
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