Vulnerability-Lookup

ubuntu-cve-2012-2126

Vulnerability from osv_ubuntu

Published

2012-04-20 00:00

Modified

2025-09-08 16:42

Summary

Details

RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installation via a man-in-the-middle attack.

Severity

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2012-2126	REPORT
	http://www.openwall.com/lists/oss-security/2012/04/20	REPORT
	http://www.ruby-lang.org/en/news/2012/04/20/ruby-…	REPORT
	https://github.com/rubygems/rubygems/blob/1.8/His…	REPORT
	https://ubuntu.com/security/notices/USN-1582-1	ADVISORY
	https://ubuntu.com/security/notices/USN-1583-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2012-2126	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "jruby",
            "binary_version": "1.5.6-9+deb8u2build0.14.04.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "jruby",
        "purl": "pkg:deb/ubuntu/jruby@1.5.6-9+deb8u2build0.14.04.1~esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5.6-5ubuntu1",
        "1.5.6-6",
        "1.5.6-7",
        "1.5.6-9+deb8u2build0.14.04.1~esm2"
      ]
    }
  ],
  "aliases": [],
  "details": "RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installation via a man-in-the-middle attack.",
  "id": "UBUNTU-CVE-2012-2126",
  "modified": "2025-09-08T16:42:57Z",
  "published": "2012-04-20T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2012-2126"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2012/04/20"
    },
    {
      "type": "REPORT",
      "url": "http://www.ruby-lang.org/en/news/2012/04/20/ruby-1-9-3-p194-is-released/"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rubygems/rubygems/blob/1.8/History.txt"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-1582-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-1583-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2012-2126"
    }
  ],
  "related": [
    "USN-1582-1",
    "USN-1583-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2012-2126"
  ]
}

CVE-2012-2126 (GCVE-0-2012-2126)

Vulnerability from cvelistv5 – Published: 2013-10-01 17:00 – Updated: 2024-08-06 19:26

Summary

RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installation via a man-in-the-middle attack.

Severity

No CVSS data available.

CWE

Assigner

redhat

References

8 references

URL	Tags
http://secunia.com/advisories/55381	third-party-advisoryx_refsource_SECUNIA
http://www.ubuntu.com/usn/USN-1582-1/	vendor-advisoryx_refsource_UBUNTU
https://github.com/rubygems/rubygems/blob/1.8/His…	x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2013-1203.html	vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=814718	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2012/0…	mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2013-1852.html	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2013-1441.html	vendor-advisoryx_refsource_REDHAT

Date Public

2012-04-19 00:00

Show details on NVD website

JSON

To clipboard

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          "name": "[oss-security] 20120420 Re: CVE Request -- rubygems: Two security fixes in  upstream v1.8.23 version",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2012-2126

Vulnerability from osv_ubuntu

CVE-2012-2126 (GCVE-0-2012-2126)

Tags

Sightings

Nomenclature