Date: Tue, 16 Dec 2014 17:36:09 +0000 From: "Ipstenu (Mika Epstein)" <plugins@...dpress.org> To: ryandewhurst@...il.com Cc: oss-security@...ts.openwall.com, "\"WordPress.org\"" <plugins@...dpress.org> Subject: Re: Re: CVE-2014-9119: DB Backup plugin for WordPress download.php file Thanks, we handled this 11 days ago. > https://wpvulndb.com/vulnerabilities/7726 thanks! > > On Tue, Dec 16, 2014 at 5:51 PM, Henri Salo <henri@...v.fi> wrote: > > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > Product: WordPress plugin db-backup > > Plugin page: https://wordpress.org/plugins/db-backup/ > > Developer: Syed Amir Hussain "syedamirhussain91" > > Vulnerability Type: Remote Path Traversal File Access > > CWE-23: Relative Path Traversal > > Vulnerable Versions: 4.5 and earlier > > Fixed Version: N/A > > Vendor Notification: 2014-11-27 > > Public Disclosure: 2014-12-16 > > CVE Reference: CVE-2014-9119 > > Criticality: High > > > > Vulnerability details: > > > > DB Backup plugin for WordPress contains a flaw that allows traversing > > outside of > > a restricted path. The issue is due to the download.php script not > properly > > sanitizing user input, specifically path traversal style attacks (e.g. > > '../'). > > With a specially crafted request, a remote attacker can gain read access > to > > arbitrary files, limited by system operational access control. This > > vulnerability can be used to get WordPress authentication keys and > salts, > > database address and credentials, which can be used in certain > > environments to > > elevate privileges and execute malicious PHP code. > > > > Root cause: > > > > Unsanitized user input to readfile() function. > > > > Proof-of-concept: > > > > /wp-content/plugins/db-backup/download.php?file=../../../wp-config.php > > > > Timeline: > > > > 2014-11-27: Reported to developer and WordPress plugins team. > > 2014-11-27: CVE assigned and reported to developer. > > 2014-11-28: Communication with developer and he said this will be fixed. > > 2014-12-02: Asked status from developer. > > 2014-12-03: Developer says this will be fixed by 7th. > > 2014-12-07: Asked status from developer. > > 2014-12-08: Developer responds. > > 2014-12-09: Asked more details from developer. > > 2014-12-10: More discussion about the solution and new disclosure date > set. > > 2014-12-16: Agreed disclosure date was 15th, I don't understand issue > with > > patching so public disclosure. Please note that there are hundreds of > > backup > > plugins in WordPress Plugin Directory. > > > > Notes: > > > > - - Remove plugin "db-backup" as deactivation does not fix the issue. > > - - Use another plugin until patch is available and new version is > > published. > > - - Sites I know using this plugin will be notified via abuse emails > today. > > > > References: > > http://cwe.mitre.org/data/definitions/23.html > > https://scapsync.com/cwe/CWE-23 > > https://www.owasp.org/index.php/Path_Traversal > > > > > https://www.owasp.org/index.php/Testing_for_Path_Traversal_%28OTG-AUTHZ-001%29 > > > > - -- > > Henri Salo > > -----BEGIN PGP SIGNATURE----- > > Version: GnuPG v1.4.12 (GNU/Linux) > > > > iEYEARECAAYFAlSQYwcACgkQXf6hBi6kbk8uHwCeJfQd1Vjc2Rr6kzyFxF8rC4NW > > zbMAoKG4tidQkLM5qrnyIfHTVZPXbOdk > > =5Nmf > > -----END PGP SIGNATURE----- > > -- Ipstenu (Mika Epstein)
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