drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in librack-ruby
Name: |
Mehrere Probleme in librack-ruby |
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ID: |
DSA-2783-1 |
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Distribution: |
Debian |
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Plattformen: |
Debian squeeze |
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Datum: |
Mo, 21. Oktober 2013, 23:42 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-5036
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0184
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0263 |
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Applikationen: |
librack-ruby |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
- ------------------------------------------------------------------------- Debian Security Advisory DSA-2783-1 security@debian.org http://www.debian.org/security/ Thijs Kinkhorst October 21, 2013 http://www.debian.org/security/faq - -------------------------------------------------------------------------
Package : librack-ruby Vulnerability : several Problem type : remote Debian-specific: no CVE ID : CVE-2011-5036 CVE-2013-0184 CVE-2013-0263 Debian Bug : 653963 698440 700226
Several vulnerabilities were discovered in Rack, a modular Ruby webserver interface. The Common Vulnerabilites and Exposures project identifies the following vulnerabilities:
CVE-2011-5036
Rack computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
CVE-2013-0184
Vulnerability in Rack::Auth::AbstractRequest allows remote attackers to cause a denial of service via unknown vectors.
CVE-2013-0263
Rack::Session::Cookie allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving am HMAC comparison function that does not run in constant time.
For the oldstable distribution (squeeze), these problems have been fixed in version 1.1.0-4+squeeze1.
The stable, testing and unstable distributions do not contain the librack-ruby package. They have already been addressed in version 1.4.1-2.1 of the ruby-rack package.
We recommend that you upgrade your librack-ruby packages.
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux)
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