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CVE-2013-1800

21
FAUCET Score

CVE-2013-1800 describes an object-injection vulnerability in the crack gem (versions 0.3.1 and earlier) for Ruby, specifically affecting systems utilizing Action Pack's YAML or Symbol type conversion. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through improper string value casting. With a CVSS score of 7.5, it carries a high severity, indicating a network-based attack with low complexity that could lead to partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.3.1CPE matchmatch criteria
cpe:2.3:a:john_nunemaker:crack:*:*:*:*:*:*:*:*
0.1.8CPE matchmatch criteria
cpe:2.3:a:john_nunemaker:crack:0.1.8:*:*:*:*:*:*:*
0.2.0CPE matchmatch criteria
cpe:2.3:a:john_nunemaker:crack:0.2.0:*:*:*:*:*:*:*
0.3.0CPE matchmatch criteria
cpe:2.3:a:john_nunemaker:crack:0.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.95%
Probability of exploitation in next 30 days
EPSS Percentile
91.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0495 is in the 85th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
rubygemspatch availablevia ghsa
Product: crackFixed in: 0.3.2
redhatno patchvia redhat_api
Product: OpenShift Enterprise 1Fixed in: rubygem-crack
redhatno patchvia redhat_api
Product: Red Hat Satellite 6Fixed in: ruby193-rubygem-crack

Vendor Advisories (2)

rubygemsGHSA-m7fq-cf8q-35q7high

crack does not properly restrict casts of string values

Oct 24, 2017
redhatCVE-2013-1800Important

rubygem-crack: YAML parameter parsing vulnerability

Jan 14, 2013

References

lists.opensuse.org / opensuse-security-announce/2013-04/msg00003.html
bugzilla.novell.com / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/52897
Vendor Advisory
github.com / jnunemaker/crack/commit/e3da1212a1f84a898ee3601336d1dbbf118fb5f6
ExploitPatch
support.cloud.engineyard.com / entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediately