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CVE-2013-0184· NVD / CVE Program· CNA redhat

Unspecified vulnerability in Rack::Auth::AbstractRequest in Rack 1.1.x before 1.1.5, 1.2.x before 1.2.7, 1.3.x before 1.3.9, and 1.4.x befor

Unspecified vulnerability in Rack::Auth::AbstractRequest in Rack 1.1.x before 1.1.5, 1.2.x before 1.2.7, 1.3.x before 1.3.9, and 1.4.x before 1.4.4 allows remote attackers to cause a denial of service via unknown vectors related to "symbolized arbitrary strings."

MediumCVSS 4.3 · v2.0—No exploit Fix available
Published
Mar 1, 2013
Updated
Jun 16, 2026
EPSS
2.4% · 84th percentile
CWE
—
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Report tools

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Action score

18

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.4%

Affected systems

VendorProduct
rack projectrack

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • rack project rack1.1.0
  • rack project rack1.1.2
  • rack project rack1.1.3
  • rack project rack1.1.4
  • rack project rack1.2.0
  • rack project rack1.2.1
  • rack project rack1.2.2
  • rack project rack1.2.3
  • rack project rack1.2.4
  • rack project rack1.2.6
  • rack project rack1.3.0
  • rack project rack1.3.1
  • rack project rack1.3.2
  • rack project rack1.3.3
  • rack project rack1.3.4
  • rack project rack1.3.5
  • rack project rack1.3.6
  • rack project rack1.3.7
  • rack project rack1.3.8
  • rack project rack1.4.0

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12ruby-rackbefore 1.4.1-2.11.4.1-2.1
Debian:6.0librack-rubybefore 1.1.0-4+squeeze11.1.0-4+squeeze1
RubyGemsrackfrom 1.1.0 · before 1.1.51.1.5
RubyGemsrackfrom 1.2.0 · before 1.2.71.2.7
RubyGemsrackfrom 1.3.0 · before 1.3.91.3.9
RubyGemsrackfrom 1.4.0 · before 1.4.41.4.4

Same product

rack project: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-30123A sequence injection vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 which could allow is a possible shell escape in the Lint a
    41Plan
  • CVE-2020-8161A directory traversal vulnerability exists in rack < 2.2.0 that allows an attacker perform directory traversal vulnerability in the Rack::Di
    35Monitor
  • CVE-2022-30122A possible denial of service vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 in the multipart parsing component of Rack.
    31Monitor
  • CVE-2020-8184A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possib
    31Monitor
  • CVE-2018-16470There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6.
    31Monitor
  • CVE-2018-16471There is a possible XSS vulnerability in Rack before 2.0.6 and 1.6.11.
    25Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:librack-ruby1.1.0-4+squeeze1 · Debian:6.0Package registry (OSV)
debian:ruby-rack1.4.1-2.1 · Debian:12Package registry (OSV)
RubyGems:rack1.1.5Package registry (OSV)
RubyGems:rack1.2.7Package registry (OSV)
RubyGems:rack1.3.9Package registry (OSV)
RubyGems:rack1.4.4Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

    If successful

    Confidentiality
    none
    Integrity
    none
    Availability
    P · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    None
    Availability impact
    P

    Weakness class (CWE)

    —

    CVSS vector

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

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    MITRE has no CAPEC/ATT&CK mapping for this CWE.

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    1. Fix✗ → ✓

    For records you follow, these changes also arrive as notifications. →

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records