[ GLSA 200906-02 ] Ruby: Denial of Service

[GLSA]

Gentoo Linux Security Advisory

Title: Ruby: Denial of Service (GLSA 200906-02)
Severity: normal
Exploitable: remote
Date: June 28, 2009
Bug(s): #273213
ID: 200906-02

Synopsis

A flaw in the Ruby standard library might allow remote attackers to cause a Denial of Service attack.

Background

Ruby is an interpreted object-oriented programming language. The elaborate standard library includes the "BigDecimal" class.

Affected Packages

Package: dev-lang/ruby
Vulnerable: < 1.8.6_p369
Unaffected: >= 1.8.6_p369
Architectures: All supported architectures


Description

Tadayoshi Funaba reported that BigDecimal in ext/bigdecimal/bigdecimal.c does not properly handle string arguments containing overly long numbers.

Impact

A remote attacker could exploit this issue to remotely cause a Denial of Service attack.

Workaround

There is no known workaround at this time.

Resolution

All Ruby users should upgrade to the latest version: