Date: Thu, 13 Jun 2013 17:56:53 -0600 From: Kurt Seifried <kseifried@...hat.com> To: oss-security@...ts.openwall.com CC: Yves-Alexis Perez <corsac@...ian.org> Subject: Re: Re: Fail2ban 0.8.9, Denial of Service (Apache rules only) -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 06/12/2013 02:00 PM, Yves-Alexis Perez wrote: > Can someone assign a CVE for this fail2ban issue? > > On sam., 2013-06-08 at 07:44 +0200, Krzysztof Katowicz-Kowalewski > wrote: >> Version 0.8.9 (latest) of Fail2ban allows to perform remote >> denial of service for arbitrary chosen IP address. Address listed >> on Fail2ban's whitelist are not affected. The vulnerability >> exists in Apache rules and it is caused by improper validation of >> a log file by regular expression. Malicious user can easily >> inject his own data to analyzed logs and deceive monitoring >> engine. >> >> Affected files: /filter.d/apache-auth.conf >> /filter.d/apache-nohome.conf /filter.d/apache-noscript.conf >> /filter.d/apache-overflows.conf >> >> Time frames: 01.06.2013 - Cyril Jaquier (contact section) has >> been informed about the vulnerability (no response) 08.06.2013 - >> The vulnerability has been released to the public. >> >> More information, including proof of concept and patches is >> available here: >> https://vndh.net/note:fail2ban-089-denial-service > > Thanks in advance, > Please use CVE-2013-2178 for this issue. - -- Kurt Seifried Red Hat Security Response Team (SRT) PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iQIcBAEBAgAGBQJRulxFAAoJEBYNRVNeJnmT2J8P/RZPvm4voCHNwELGb+e9OGkV nbu7DyGhjYyOzzD3I0NrTgPlS6siz3nI10xZIvhs953CP2r6yDEqR8YP4rosreOZ lhZd8nNvPZmcvw+l/8q8JdLZ7q1RU+TGyMELR3l+FN9frqo3vPPsFbqh1QGBsJhD ngzHRMBGEyMDo42xzDTCGQmyS901s6Q+lh0GiTb2tKhfk6JqkbFtQ0r8TH4Z4nXY +lKA+Qxl/4Shhhb6xtWm2B7E9eqqLfb8lyNh5HVkVwEhI+BM6PUQSpx+Fu2J2Puj Ue9XvozzmIR6FWWztlNl1PrNh8tC/F6HFIW2vHSP16pNkIJOWBtgjBA0aMDIQFPt lO2Sx4mmV5ZbZBKNgR+D3sg1CXnDT+eo56xm6W8NDWNmpcWu7uZ2YP2R3x8Bbntp v/uUQc52P/SXirFCv73ltPpAVv6TCx2QqmPaRfYLVeflCLJ5ypxkNdeFy8UpOH5m 0cb324X6MSv6UxaMe2hRH2Wg6QKYfUKXAdcpGfuFoi2Qq4MDPiPPa7zQ/zSD8mzb cpa4++TgL2GKpB+L8aKPqLdFzC71a+C9bfDe0JIVWnYo5SgTy3xdWJ5R+3k1eh3Y q5LuM4MCnpP5ACjBMIbJyLxpPe12WnoQB9nl3dXES6DXde4NAEpKKZkqnUzGv8/1 C7RXa1N9VgB60t+FSu4z =QT9k -----END PGP SIGNATURE-----
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