| Name | CVE-2018-1000078 |
| 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 Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute that can result in XSS. This attack appear to be exploitable via the victim must browse to a malicious gem on a vulnerable gem server. This vulnerability appears to have been fixed in 2.7.6. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-1336-1, DLA-1337-1, DLA-1358-1, DSA-4219-1 |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 895778 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| jruby (PTS) | jessie | 1.5.6-9 | vulnerable |
| stretch | 1.7.26-1 | vulnerable | |
| stretch (security) | 1.7.26-1+deb9u1 | fixed | |
| buster, sid | 9.1.13.0-1 | vulnerable | |
| ruby2.1 (PTS) | jessie | 2.1.5-2+deb8u3 | vulnerable |
| jessie (security) | 2.1.5-2+deb8u1 | vulnerable | |
| ruby2.3 (PTS) | stretch (security), stretch | 2.3.3-1+deb9u2 | vulnerable |
| ruby2.5 (PTS) | buster, sid | 2.5.1-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| jruby | source | (unstable) | (unfixed) | medium | 895778 | |
| jruby | source | jessie | (unfixed) | end-of-life | ||
| jruby | source | stretch | 1.7.26-1+deb9u1 | medium | DSA-4219-1 | |
| jruby | source | wheezy | 1.5.6-5+deb7u1 | medium | DLA-1337-1 | |
| ruby1.9.1 | source | (unstable) | (unfixed) | medium | ||
| ruby1.9.1 | source | wheezy | 1.9.3.194-8.1+deb7u8 | medium | DLA-1358-1 | |
| ruby2.1 | source | (unstable) | (unfixed) | medium | ||
| ruby2.3 | source | (unstable) | (unfixed) | medium | ||
| ruby2.5 | source | (unstable) | 2.5.0-5 | medium | ||
| rubygems | source | (unstable) | (unfixed) | medium | ||
| rubygems | source | wheezy | 1.8.24-1+deb7u2 | medium | DLA-1336-1 |
[jessie] - jruby <end-of-life> (See DSA-4219-1)
https://github.com/rubygems/rubygems/commit/66a28b9275551384fdab45f3591a82d6b59952cb
https://www.ruby-lang.org/en/news/2018/02/17/multiple-vulnerabilities-in-rubygems/