Bug#683984: libapache2-mod-rpaf: potential Denial of Service

2012-08-09 Thread Sergey Kirpichev
On Mon, Aug 6, 2012 at 4:23 AM, Luciano Bello wrote: > Sébastien Bocahu reported to the security team: >> patch that was applied by Debian exposes Apache to segfaults under specific >> crafted requests. >> >> The magick request is the following: >> curl -H "x-forwarded-for: 1'\"5000" -H "Host: a

Bug#683984: libapache2-mod-rpaf: potential Denial of Service

2012-08-07 Thread Sébastien Bocahu
> As a workaround, you should avoid using x-forwarded-for header from > untrusted sources. Usually, it is the case - you can trust your frontend > servers ;) > > That means - real impact of this issue is very minor and mostly due to > misconfiguration. Excuse me ? This is definitely _not_ a mis

Bug#683984: libapache2-mod-rpaf: potential Denial of Service

2012-08-07 Thread Sergey B Kirpichev
Ok, now it makes sense. As a workaround, you should avoid using x-forwarded-for header from untrusted sources. Usually, it is the case - you can trust your frontend servers ;) That means - real impact of this issue is very minor and mostly due to misconfiguration. 07.08.2012 14:15 пользователь "

Bug#683984: libapache2-mod-rpaf: potential Denial of Service

2012-08-07 Thread Sébastien Bocahu
Hi, I am the bug reporter. > The "minimal" patch is to drop 030_ipv6.patch. I can't confirm that > this bug is *not* reproducible for 0.6 version *with* the above patch. > > Can you ask bugreporter to report details on: > -->8-- >rpaf 0.6 is available in Debian wheezy. The IPv6 patched is n

Bug#683984: libapache2-mod-rpaf: potential Denial of Service

2012-08-07 Thread Sergey Kirpichev
tag 683984 +pending thanks 06.08.2012 4:27 пользователь "Luciano Bello" написал: > Sébastien Bocahu reported to the security team: > > (...) > > A single request makes Apache segfault. On some of the environments I > tested, > > it even kills all Apache processes (they become zombies). Thank yo

Bug#683984: libapache2-mod-rpaf: potential Denial of Service

2012-08-05 Thread Luciano Bello
Package: libapache2-mod-rpaf Severity: critical Tags: security Version: 0.5-3 Sébastien Bocahu reported to the security team: > (...) > A single request makes Apache segfault. On some of the environments I tested, > it even kills all Apache processes (they become zombies). > > I tested three env