CVE-2013-1800
CVE-2013-1800 is a high-severity vulnerability in John Nunemaker Crack with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-264
- Affected product: John Nunemaker Crack
- Published:
- Last modified:
Description
The crack gem 0.3.1 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.
Frequently asked questions
- What is CVE-2013-1800?
- The crack gem 0.3.1 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.
- How severe is CVE-2013-1800?
- CVE-2013-1800 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2013-1800 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-1800?
- CVE-2013-1800 primarily affects John Nunemaker Crack. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2013-1800?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2013-1800 published?
- CVE-2013-1800 was published on 2013-04-09 and last updated on 2026-06-16.
References
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00003.html
- http://secunia.com/advisories/52897
- https://bugzilla.novell.com/show_bug.cgi?id=804721
- https://bugzilla.redhat.com/show_bug.cgi?id=917236
- https://github.com/jnunemaker/crack/commit/e3da1212a1f84a898ee3601336d1dbbf118fb5f6
- https://support.cloud.engineyard.com/entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediately
Affected products (4)
- cpe:2.3:a:john_nunemaker:crack:*:*:*:*:*:*:*:*
- cpe:2.3:a:john_nunemaker:crack:0.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:john_nunemaker:crack:0.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:john_nunemaker:crack:0.3.0:*:*:*:*:*:*:*
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