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Vulnerability of Sendmail: privilege escalation via File Descriptors

Synthesis of the vulnerability 

A local attacker can access to file descriptors left open by Sendmail, in order to escalate his privileges.
Impacted systems: Sendmail.
Severity of this alert: 1/4.
Creation date: 08/12/2014.
Références of this alert: VIGILANCE-VUL-15749.

Description of the vulnerability 

The Sendmail product calls external programs using functions of the exec() family.

However, file descriptors are not always closed before calling these programs. These may thus access to Sendmail data.

A local attacker can therefore access to file descriptors left open by Sendmail, in order to escalate his privileges.
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This weakness announce impacts software or systems such as Sendmail.

Our Vigil@nce team determined that the severity of this vulnerability alert is low.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this computer threat announce.

Solutions for this threat 

Sendmail: version 8.15.1.
The version 8.15.1 is fixed:
  ftp://ftp.sendmail.org/pub/sendmail/
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