A format string error exists in sSMTP. The program contains a number of format string vulnerabilities which can result in buffer overflows. With a specially crafted request, an attacker can potentially cause execution of code resulting in a loss of integrity.
Classification
Location:
Local Access Required,
Local / Remote,
Context Dependent
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Upgrade to version supplied by your vendor - if available. It is recommended to choose another mail program as sSMTP is not being maintained actively by the author.