Hillstone Networks

'; } else{ echo ''; } echo 'Hillstone Networks'; } elseif ($_SERVER[HTTP_HOST] == "update1.huaantech.com.cn") { echo ''; echo 'huaantech'; } elseif ($_SERVER[HTTP_HOST] == "update1.dcnetworks.com.cn") { echo ''; echo 'dcnetworks'; } elseif ($_SERVER[HTTP_HOST] == "update1.w-ibeda.com") { if (false===strpos($_SERVER[REQUEST_URI],"/en/")) echo ''; else echo ''; echo 'w-ibeda'; } elseif ($_SERVER[HTTP_HOST] == "update1.hp-telecom.com") { echo ''; echo 'hp-telecom'; } elseif ($_SERVER[HTTP_HOST] == "update1.maipu.com") { echo ''; echo 'Maipu'; } elseif ($_SERVER[HTTP_HOST] == "update1.ncurity.com") { echo ''; echo 'Ncurity'; } elseif ($_SERVER[HTTP_HOST] == "update1.socusnetwork.com") { echo ''; echo 'Socusnetwork'; } else{ echo ''; echo 'Hillstone Networks'; } ?>

RULE（RULE ID：505817）

Rule General Information


Release Date:		2021-01-21

Rule Name:		Exim string_vformat Heap-based Buffer Overflow Vulnerability (CVE-2019-16928)

Severity:

CVE ID:

Rule Protection Details


Description:		A heap-based buffer overflow vulnerability has been reported in Exim. This vulnerability is due to improper handling of a long EHLO command. A remote attacker can exploit this vulnerability by sending a malicious EHLO command to the target server. Successful exploitation could result in the execution of arbitrary code or a denial of service condition on the target server.

Impact:		A buffer overflow vulnerability can be triggered by an attacker in the context of the vulnerable product. Further attacks includes arbitrary code execution and denial of service.

Affected OS:		Linux, Other Unix

Reference:		http://www.openwall.com/lists/oss-security/2019/09/28/1 http://www.openwall.com/lists/oss-security/2019/09/28/2 http://www.openwall.com/lists/oss-security/2019/09/28/3 http://www.openwall.com/lists/oss-security/2019/09/28/4

Solutions

The vendors have released upgrade patches to fix vulnerabilities, please visit:
https://exim.org