CVE-2012-2126

Home/CVE/RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installa

CVE

RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installa

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.

MEDIUM · CVSS 4.3 EPSS 0.00272

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Affected Products & Versions

rubygems<= 1.8.22

rubygemsall versions

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Affected Packages

Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.

RubyGems rubygems-update MODERATE fixed in 1.8.23

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Scoring & Timeline

4.3

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Published to NVD01 Oct 2013 · 05:55 PM

⚑

Vendor Advisories

rhsaRHSA-2013:1852Moderate
rhsaRHSA-2013:1851Moderate
rhsaRHSA-2013:1441Moderate
usnUSN-1583-1
usnUSN-1582-1
Show all 6 vendor advisoriesrhsaRHSA-2013:1203Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://rhn.redhat.com/errata/RHSA-2013-1203.html

http://rhn.redhat.com/errata/RHSA-2013-1441.html

http://rhn.redhat.com/errata/RHSA-2013-1852.html

http://secunia.com/advisories/55381

http://www.openwall.com/lists/oss-security/2012/04/20/24

http://www.ubuntu.com/usn/USN-1582-1/

Show all 8 references

https://bugzilla.redhat.com/show_bug.cgi?id=814718

https://github.com/rubygems/rubygems/blob/1.8/History.txtPatchVendor Advisory

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