CVE-2018-1000075 RubyGems Infinite Loop vulnerability

What is CVE-2018-1000075?

CVE-2018-1000075 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 13 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a infinite loop caused by negative size vulnerability in ruby gem package tar header that can result in a negative size could cause an infinite loop.. This vulnerability appears to have been fixed in 2.7.6.

Weakness: CWE-835

Which versions are affected by CVE-2018-1000075?

4 open source packages ship an affected version, including org.jruby:jruby-stdlib and rubygems-update. It affects 2 products.

Products include Debian Debian Linux, Rubygems Rubygems.

How do I fix CVE-2018-1000075?

Upgrade org.jruby:jruby-stdlib to 9.1.16.0 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-1000075 being exploited?

There is no known exploitation of CVE-2018-1000075 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-1000075, GHSA-74pv-v9gh-h25p, UBUNTU-CVE-2018-1000075.