VAR-200205-0075

Vulnerability from variot - Updated: 2023-12-18 12:47

SMTP proxy in Symantec Enterprise Firewall (SEF) 6.5.x includes the firewall's physical interface name and address in an SMTP protocol exchange when NAT translation is made to an address other than the firewall, which could allow remote attackers to determine certain firewall configuration information. The Symantec Enterprise Firewall (SEP) is a high performance firewall solution, and is available for both Windows and Solaris systems. This has the effect of concealing internal network infrastructure information from external recipients of mail. The Symantec Enterprise Firewall accomplishes this functionality by rewriting the SMTP header. The name/address of the physical firewall interface is still included in the rewritten SMTP header. The information disclosed in the SMTP header may reveal details about the firewall's configuration. This issue was tested on SEP v6.5.x. Other versions may be affected by this vulnerability

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