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CVE Reference: CVE-2012-5371

NOTE: The text on this page is written by CVE MITRE and reflects neither the opinions of Secunia or the results of our research. All data on this page is written and maintained by CVE MITRE.

Original Page at CVE MITRE:
CVE-2012-5371

Description:
Ruby (aka CRuby) 1.9 before 1.9.3-p327 and 2.0 before r37575 computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against a variant of the MurmurHash2 algorithm, a different vulnerability than CVE-2011-4815.

CVE Status:
Candidate

References:

XF
  http://xforce.iss.net/xforce/xfdb/79993

UBUNTU
  http://www.ubuntu.com/usn/USN-1733-1

ST
  1027747

SAID
  Secunia Advisory: SA51253

OSVDB
  87280

MISC
  http://www.ocert.org/advisories/ocert-2012-001.html
  http://asfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdf
  http://2012.appsec-forum.ch/conferences/#c17

CONFIRM
  http://www.ruby-lang.org/en/news/2012/11/09/ruby19-hashdos-cve-2012-5371/

BID
  56484


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