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CVE-2019-8323

rubygems: Escape sequence injection vulnerability in API response handling

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Gem::GemcutterUtilities#with_response may output the API response to stdout as it is. Therefore, if the API side modifies the response, escape sequence injection may occur.

CVSS 3.1 · 7.5 High EPSS 3.3% KEV · Not listed
Vendors
Debian Opensuse Redhat and 1 more
Products
Debian Linux Leap Cloudforms Managementengine and 6 more
CVE-2019-8322

rubygems: Escape sequence injection vulnerability in gem owner

An issue was discovered in RubyGems 2.6 and later through 3.0.2. The gem owner command outputs the contents of the API response directly to stdout. Therefore, if the response is crafted, escape sequence injection may occur.

CVSS 3.1 · 7.5 High EPSS 3.3% KEV · Not listed
Vendors
Debian Opensuse Redhat and 1 more
Products
Debian Linux Leap Cloudforms Managementengine and 6 more
CVE-2019-8321

rubygems: Escape sequence injection vulnerability in verbose

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.

CVSS 3.1 · 7.5 High EPSS 3.3% KEV · Not listed
Vendors
Debian Opensuse Redhat and 1 more
Products
Debian Linux Leap Cloudforms Managementengine and 6 more
CVE-2019-8320

rubygems: Delete directory using symlink when decompressing tar

A Directory Traversal issue was discovered in RubyGems 2.7.6 and later through 3.0.2. Before making new directories or touching files (which now include path-checking code for symlinks), it would delete the target destination. If that destination was hidden behind a symlink, a malicious gem could delete arbitrary files on the user's machine, presuming the attacker could guess at paths. Given how frequently gem is run as sudo, and how predictable paths are on modern systems (/tmp, /usr, etc.), this could likely lead to data loss or an unusable system.

CVSS 3.0 · 7.4 High EPSS 4.2% KEV · Not listed
Vendors
Redhat Rubygems
Products
Cloudforms Managementengine Enterprise Linux Rhel Software Collections and 1 more
CVE-2018-1000079

rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations

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 Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.

CVSS 3.0 · 5.5 Medium EPSS 2.8% KEV · Not listed
Vendors
Redhat Rubygems
Products
Enterprise Linux Rhel Aus Rhel E4s and 4 more
CVE-2018-1000078

rubygems: XSS vulnerability in homepage attribute when displayed via gem server

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.

CVSS 3.0 · 6.1 Medium EPSS 2.7% KEV · Not listed
Vendors
Debian Redhat Rubygems
Products
Debian Linux Enterprise Linux Rhel Aus and 5 more
CVE-2018-1000077

rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage URL

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 Improper Input Validation vulnerability in ruby gems specification homepage attribute that can result in a malicious gem could set an invalid homepage URL. This vulnerability appears to have been fixed in 2.7.6.

CVSS 3.0 · 5.3 Medium EPSS 3.6% KEV · Not listed
Vendors
Debian Redhat Rubygems
Products
Debian Linux Enterprise Linux Rhel Aus and 5 more
CVE-2018-1000076

rubygems: Improper verification of signatures in tarball allows to install mis-signed gem

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 Improper Verification of Cryptographic Signature vulnerability in package.rb that can result in a mis-signed gem could be installed, as the tarball would contain multiple gem signatures.. This vulnerability appears to have been fixed in 2.7.6.

CVSS 3.0 · 9.8 Critical EPSS 2.9% KEV · Not listed
Vendors
Debian Redhat Rubygems
Products
Debian Linux Enterprise Linux Rhel Aus and 5 more
CVE-2018-1000075

rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service

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.

CVSS 3.0 · 7.5 High EPSS 4.7% KEV · Not listed
Vendors
Debian Redhat Rubygems
Products
Debian Linux Enterprise Linux Rhel Aus and 5 more
CVE-2018-1000074

rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML

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 Deserialization of Untrusted Data vulnerability in owner command that can result in code execution. This attack appear to be exploitable via victim must run the `gem owner` command on a gem with a specially crafted YAML file. This vulnerability appears to have been fixed in 2.7.6.

CVSS 3.0 · 7.8 High EPSS 2.9% KEV · Not listed
Vendors
Redhat Rubygems
Products
Enterprise Linux Rhel Aus Rhel E4s and 4 more
CVE-2018-1000073

rubygems: Path traversal when writing to a symlinked basedir outside of the root

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 Directory Traversal vulnerability in install_location function of package.rb that can result in path traversal when writing to a symlinked basedir outside of the root. This vulnerability appears to have been fixed in 2.7.6.

CVSS 3.0 · 7.5 High EPSS 4.9% KEV · Not listed
Vendors
Redhat Rubygems
Products
Enterprise Linux Rhel Aus Rhel E4s and 4 more