CVE-2018-1000076
published 2018-03-13CVE-2018-1000076: 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…
PriorityP351critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
3.04%
86.0th percentile
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.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | jruby | < jruby 9.1.17.0-1 (bookworm) | jruby 9.1.17.0-1 (bookworm) |
| debian | rubygems | < jruby 9.1.17.0-1 (bookworm) | jruby 9.1.17.0-1 (bookworm) |
| jruby | jruby | >= 0 < 9.1.17.0-1 | 9.1.17.0-1 |
| jruby | jruby | >= 0 < 9.1.17.0-1 | 9.1.17.0-1 |
| jruby | jruby | >= 0 < 9.1.17.0-1 | 9.1.17.0-1 |
| rubygems | rubygems | <= 2.2.9 | — |
| rubygems | rubygems | <= 2.3.6 | — |
| rubygems | rubygems | <= 2.4.3 | — |
| rubygems | rubygems | <= 2.5.0 | — |
| rubygems | rubygems | >= 0 < 3.2.0~rc.1-1 | 3.2.0~rc.1-1 |
| rubygems | rubygems | >= 0 < 3.2.0~rc.1-1 | 3.2.0~rc.1-1 |
| rubygems | rubygems | >= 0 < 3.2.0~rc.1-1 | 3.2.0~rc.1-1 |
| rubygems | rubygems | >= 0 < 3.2.0~rc.1-1 | 3.2.0~rc.1-1 |
CVSS provenance
nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_redhat9.8CRITICAL
vendor_ubuntu7.5HIGH
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GHSA
RubyGems Improper Verification of Cryptographic Signature vulnerability
ghsa·2022-05-14
CVE-2018-1000076 [CRITICAL] CWE-347 RubyGems Improper Verification of Cryptographic Signature vulnerability
RubyGems Improper Verification of Cryptographic Signature vulnerability
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, and Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contain an Improper Verification of Cryptographic Signature vulnerability in package.rb. This can result in a mis-signed gem being installed, as the tarball would contain multiple gem signatures. This vulnerability has been fixed in 2.7.6.
OSV
RubyGems Improper Verification of Cryptographic Signature vulnerability
osv·2022-05-14
CVE-2018-1000076 [CRITICAL] RubyGems Improper Verification of Cryptographic Signature vulnerability
RubyGems Improper Verification of Cryptographic Signature vulnerability
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, and Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contain an Improper Verification of Cryptographic Signature vulnerability in package.rb. This can result in a mis-signed gem being installed, as the tarball would contain multiple gem signatures. This vulnerability has been fixed in 2.7.6.
OSV
ruby1.9.1, ruby2.0 regression
osv·2018-04-13·CVSS 7.5
CVE-2018-1000074 [HIGH] ruby1.9.1, ruby2.0 regression
ruby1.9.1, ruby2.0 regression
USN-3621-1 fixed vulnerabilities in Ruby. The update caused an issue due
to an incomplete patch for CVE-2018-1000074. This update reverts the
problematic patch pending further investigation.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to access sensitive information. (CVE-2018-1000073)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-1000074)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to cause a denial of service. (CVE-2018-1000075)
It was discovered that Ruby incorrectly handled certain crypto s
OSV
ruby1.9.1, ruby2.0, ruby2.3 vulnerabilities
osv·2018-04-05·CVSS 7.5
CVE-2018-1000073 [HIGH] ruby1.9.1, ruby2.0, ruby2.3 vulnerabilities
ruby1.9.1, ruby2.0, ruby2.3 vulnerabilities
It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to access sensitive information. (CVE-2018-1000073)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-1000074)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to cause a denial of service. (CVE-2018-1000075)
It was discovered that Ruby incorrectly handled certain crypto signatures.
An attacker could possibly use this to execute arbitrary code. (CVE-2018-1000076)
It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-1000077,
CVE
OSV
CVE-2018-1000076: RubyGems version Ruby 2
osv·2018-03-13·CVSS 9.8
CVE-2018-1000076 [CRITICAL] CVE-2018-1000076: RubyGems version Ruby 2
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.
Ubuntu
Ruby regression
vendor_ubuntu·2018-04-13·CVSS 7.5
CVE-2018-1000074 [HIGH] Ruby regression
Title: Ruby regression
Summary: USN-3621-1 caused a regression in Ruby.
USN-3621-1 fixed vulnerabilities in Ruby. The update caused an issue due
to an incomplete patch for CVE-2018-1000074. This update reverts the
problematic patch pending further investigation.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to access sensitive information. (CVE-2018-1000073)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-1000074)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to cause a denial of service. (CVE-2018-1000075)
It was discovered tha
Ubuntu
Ruby vulnerabilities
vendor_ubuntu·2018-04-05·CVSS 7.5
CVE-2018-1000073 [HIGH] Ruby vulnerabilities
Title: Ruby vulnerabilities
Summary: Several security issues were fixed in Ruby.
It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to access sensitive information. (CVE-2018-1000073)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-1000074)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to cause a denial of service. (CVE-2018-1000075)
It was discovered that Ruby incorrectly handled certain crypto signatures.
An attacker could possibly use this to execute arbitrary code. (CVE-2018-1000076)
It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to execute
Red Hat
rubygems: Improper verification of signatures in tarball allows to install mis-signed gem
vendor_redhat·2018-02-15·CVSS 9.8
CVE-2018-1000076 [CRITICAL] CWE-347 rubygems: Improper verification of signatures in tarball allows to install mis-signed gem
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.
Statement: This issue affects the versions of rubygems as shipped with Red Hat Subscription Asset Manager 1.x. Red Hat Product Security has rated this issue as having security impact of Moderate. A future update may address this issue. For additional information
Debian
CVE-2018-1000076: jruby - RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and ...
vendor_debian·2018·CVSS 9.8
CVE-2018-1000076 [CRITICAL] CVE-2018-1000076: jruby - RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and ...
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.
Scope: local
bookworm: resolved (fixed in 9.1.17.0-1)
forky: resolved (fixed in 9.1.17.0-1)
sid: resolved (fixed in 9.1.17.0-1)
trixie: resolved (fixed in 9.1.17.0-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-1000073 CVE-2018-1000074 CVE-2018-1000075 CVE-2018-1000076 CVE-2018-1000077 CVE-2018-1000078 CVE-2018-1000079 rubygems: various flaws [fedora-all]
bugzilla·2018-02-21·CVSS 7.5
CVE-2018-1000073 [HIGH] CVE-2018-1000073 CVE-2018-1000074 CVE-2018-1000075 CVE-2018-1000076 CVE-2018-1000077 CVE-2018-1000078 CVE-2018-1000079 rubygems: various flaws [fedora-all]
CVE-2018-1000073 CVE-2018-1000074 CVE-2018-1000075 CVE-2018-1000076 CVE-2018-1000077 CVE-2018-1000078 CVE-2018-1000079 rubygems: various flaws [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and th
Bugzilla
CVE-2018-1000076 rubygems: Improper verification of signatures in tarball allows to install mis-signed gem
bugzilla·2018-02-21·CVSS 9.8
CVE-2018-1000076 [CRITICAL] CVE-2018-1000076 rubygems: Improper verification of signatures in tarball allows to install mis-signed gem
CVE-2018-1000076 rubygems: Improper verification of signatures in tarball allows to install mis-signed gem
Improper verification of signatures in tarball allows to install mis-signed gem when tarball contain multiple gem signatures.
Upstream fix:
https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693
External References:
https://www.ruby-lang.org/en/news/2018/02/17/multiple-vulnerabilities-in-rubygems/
Discussion:
Created rubygems tracking bugs for this issue:
Affects: fedora-all [bug 1547431]
---
Statement:
This issue affects the versions of rubygems as shipped with Red Hat Subscription Asset Manager 1.x. Red Hat Product Security has rated this issue as having security impact of Moderate. A future update may address this issue. For additional infor
http://blog.rubygems.org/2018/02/15/2.7.6-released.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.htmlhttps://access.redhat.com/errata/RHSA-2018:3729https://access.redhat.com/errata/RHSA-2018:3730https://access.redhat.com/errata/RHSA-2018:3731https://access.redhat.com/errata/RHSA-2019:2028https://access.redhat.com/errata/RHSA-2020:0542https://access.redhat.com/errata/RHSA-2020:0591https://access.redhat.com/errata/RHSA-2020:0663https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693https://lists.debian.org/debian-lts-announce/2018/04/msg00000.htmlhttps://lists.debian.org/debian-lts-announce/2018/04/msg00001.htmlhttps://lists.debian.org/debian-lts-announce/2018/04/msg00023.htmlhttps://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlhttps://lists.debian.org/debian-lts-announce/2019/05/msg00028.htmlhttps://usn.ubuntu.com/3621-1/https://www.debian.org/security/2018/dsa-4219https://www.debian.org/security/2018/dsa-4259http://blog.rubygems.org/2018/02/15/2.7.6-released.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.htmlhttps://access.redhat.com/errata/RHSA-2018:3729https://access.redhat.com/errata/RHSA-2018:3730https://access.redhat.com/errata/RHSA-2018:3731https://access.redhat.com/errata/RHSA-2019:2028https://access.redhat.com/errata/RHSA-2020:0542https://access.redhat.com/errata/RHSA-2020:0591https://access.redhat.com/errata/RHSA-2020:0663https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693https://lists.debian.org/debian-lts-announce/2018/04/msg00000.htmlhttps://lists.debian.org/debian-lts-announce/2018/04/msg00001.htmlhttps://lists.debian.org/debian-lts-announce/2018/04/msg00023.htmlhttps://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlhttps://lists.debian.org/debian-lts-announce/2019/05/msg00028.htmlhttps://usn.ubuntu.com/3621-1/https://www.debian.org/security/2018/dsa-4219https://www.debian.org/security/2018/dsa-4259
2018-03-13
Published