cbcvebase.
CVE-2019-12593
published 2019-06-03

CVE-2019-12593: IceWarp Mail Server through 10.4.4 is prone to a local file inclusion vulnerability via webmail/calendar/minimizer/index.php?style=..%5c directory traversal.

PriorityP179high7.5CVSS 3.0
AVNACLPRNUINSUCHINAN
ITWEXPLOITVulnCheck KEV
Exploited in the wild
EPSS
40.97%
98.5th percentile
IceWarp Mail Server through 10.4.4 is prone to a local file inclusion vulnerability via webmail/calendar/minimizer/index.php?style=..%5c directory traversal.

Affected

1 ranges
VendorProductVersion rangeFixed in
icewarpmail_server<= 10.4.4

Detection & IOCsextracted from sources · hover to see the quote

url/webmail/calendar/minimizer/index.php?style=..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5cwindows%5cwin.ini
url/webmail/calendar/minimizer/index.php?style=..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c/etc%5cpasswd
path/webmail/calendar/minimizer/index.php
  • Detect LFI exploitation attempts by monitoring HTTP GET requests to /webmail/calendar/minimizer/index.php containing the 'style' parameter with encoded backslash traversal sequences (%5c).
  • A successful exploitation response for Windows targets will contain the string '[intl]' (from win.ini); for Linux targets it will contain 'root:x:0' (from /etc/passwd). Alert on HTTP 200 responses from the vulnerable path containing these strings.
  • Use Shodan/FOFA queries to identify exposed IceWarp instances as potential targets: search for title 'icewarp' or 'icewarp server administration'.
  • Google dork 'Powered By IceWarp 10.4.4' or 'intitle:"icewarp server administration"' can identify publicly exposed vulnerable instances.
  • ·The traversal payload uses Windows-style encoded backslashes (%5c). On Linux targets, the path separator differs; the nuclei template uses a mixed path ('..%5c..%5c.../etc%5cpasswd') suggesting the server may normalize separators. Adjust traversal depth and separator encoding based on target OS.
  • ·The exploit was tested on Windows 10. The traversal depth used is 8 levels (..%5c repeated 8 times) to reach the filesystem root; fewer levels may be needed depending on the IceWarp installation path.

CVSS provenance

nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
vulncheck7.5HIGH
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