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TI-2022-22408 Aliases CVE-2022-45442GHSA-2x8x-jmrp-phxw

Sinatra vulnerable to Reflected File Download attack

Priority HIGH 73CWE-494Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 13 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-494.

Summary

Sinatra is a domain-specific language for creating web applications in Ruby. An issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download (RFD) attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input. Version 2.2.3 and 3.0.4 contain patches for this issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00694 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial sinatra (sinatra): 3.0.4, 2.2.3sinatra (RubyGems): 3.0.4, 2.2.3Red Hat: 7 advisoriesRed Hat: 13 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
sinatrasinatra3.0 to before 3.0.4; 2.0 to before 2.2.33.0.4, 2.2.3Patch availableCNA
—sinatra (RubyGems)3.0 to before 3.0.43.0.4Patch availableGHSA-2x8x-jmrp-phxw
—sinatra (RubyGems)2.0.0 to before 2.2.32.2.3Patch availableGHSA-2x8x-jmrp-phxw
  • sinatra Vendorsinatra Affected 3.0 to before 3.0.4; 2.0 to before 2.2.3 Fixed in 3.0.4, 2.2.3 Patch available CNA
  • sinatra (RubyGems) Vendor— Affected 3.0 to before 3.0.4 Fixed in 3.0.4 Patch available GHSA-2x8x-jmrp-phxw
  • sinatra (RubyGems) Vendor— Affected 2.0.0 to before 2.2.3 Fixed in 2.2.3 Patch available GHSA-2x8x-jmrp-phxw

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:sinatrarb:sinatra:*:*:*:*:*:*:*:*2.0.0 to before 2.2.3; 3.0.0 to before 3.0.4VulnerableSinatrarb
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:a:sinatrarb:sinatra:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.2.3; 3.0.0 to before 3.0.4 Vulnerable ·Sinatrarb
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

  • Fix · CNA sinatra (sinatra) Fixed in 3.0.4, 2.2.3
  • Fix · GHSA-2x8x-jmrp-phxw sinatra (RubyGems) Fixed in 3.0.4 Advisory →
  • Fix · GHSA-2x8x-jmrp-phxw sinatra (RubyGems) Fixed in 2.2.3 Advisory →

Red Hat 7 advisories

  • RHSA-2023:0974 Released 2023-02-28 · Red Hat rating Moderate
    pcs security update
    • Red Hat Enterprise Linux High Availability (v. 9) pcs-0.11.3-4.el9_1.2, pcs-snmp-0.11.3-4.el9_1.2
    • Red Hat Enterprise Linux Resilient Storage (v. 9) pcs-0.11.3-4.el9_1.2, pcs-snmp-0.11.3-4.el9_1.2
  • RHSA-2023:0857 Released 2023-02-21 · Red Hat rating Moderate
    pcs security update
    • Red Hat Enterprise Linux High Availability E4S (v. 8.1) pcs-0.10.2-4.el8_1.3, pcs-snmp-0.10.2-4.el8_1.3
  • RHSA-2023:0855 Released 2023-02-21 · Red Hat rating Moderate
    pcs security update
    • Red Hat Enterprise Linux High Availability (v. 8) pcs-0.10.14-5.el8_7.2, pcs-snmp-0.10.14-5.el8_7.2
    • Red Hat Enterprise Linux Resilient Storage (v. 8) pcs-0.10.14-5.el8_7.2, pcs-snmp-0.10.14-5.el8_7.2
Show 4 more Red Hat advisories
  • RHSA-2023:0527 Released 2023-01-30 · Red Hat rating Moderate
    pcs security update
    • Red Hat Enterprise Linux High Availability EUS (v.9.0) pcs-0.11.1-10.el9_0.3, pcs-snmp-0.11.1-10.el9_0.3
    • Red Hat Enterprise Linux Resilient Storage EUS (v.9.0) pcs-0.11.1-10.el9_0.3, pcs-snmp-0.11.1-10.el9_0.3
  • RHSA-2023:0506 Released 2023-01-30 · Red Hat rating Moderate
    pcs security update
    • Red Hat Enterprise Linux HighAvailability EUS (v.8.4) pcs-0.10.8-1.el8_4.3, pcs-snmp-0.10.8-1.el8_4.3
    • Red Hat Enterprise Linux ResilientStorage EUS (v.8.4) pcs-0.10.8-1.el8_4.3, pcs-snmp-0.10.8-1.el8_4.3
  • RHSA-2023:0427 Released 2023-01-24 · Red Hat rating Moderate
    pcs security update
    • Red Hat Enterprise Linux High Availability EUS (v.8.6) pcs-0.10.12-6.el8_6.3, pcs-snmp-0.10.12-6.el8_6.3
    • Red Hat Enterprise Linux Resilient Storage EUS (v.8.6) pcs-0.10.12-6.el8_6.3, pcs-snmp-0.10.12-6.el8_6.3
  • RHSA-2023:0393 Released 2023-01-24 · Red Hat rating Moderate
    pcs security update
    • Red Hat Enterprise Linux High Availability E4S (v. 8.2) pcs-0.10.4-6.el8_2.4, pcs-snmp-0.10.4-6.el8_2.4
    • Red Hat Enterprise Linux High Availability TUS (v. 8.2) pcs-0.10.4-6.el8_2.4, pcs-snmp-0.10.4-6.el8_2.4

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat 3scale API Management Platform 2AffectedNo fix yet
Red Hat Enterprise Linux High Availability (v. 8)Fixed RHSA-2023:0855
Red Hat Enterprise Linux High Availability (v. 9)Fixed RHSA-2023:0974
Red Hat Enterprise Linux High Availability E4S (v. 8.1)Fixed RHSA-2023:0857
Red Hat Enterprise Linux High Availability E4S (v. 8.2)Fixed RHSA-2023:0393
Red Hat Enterprise Linux High Availability EUS (v.8.6)Fixed RHSA-2023:0427
Red Hat Enterprise Linux High Availability EUS (v.9.0)Fixed RHSA-2023:0527
Red Hat Enterprise Linux High Availability TUS (v. 8.2)Fixed RHSA-2023:0393
Red Hat Enterprise Linux HighAvailability EUS (v.8.4)Fixed RHSA-2023:0506
Red Hat Enterprise Linux Resilient Storage (v. 8)Fixed RHSA-2023:0855
Red Hat Enterprise Linux Resilient Storage (v. 9)Fixed RHSA-2023:0974
Red Hat Enterprise Linux Resilient Storage EUS (v.8.6)Fixed RHSA-2023:0427
Red Hat Enterprise Linux Resilient Storage EUS (v.9.0)Fixed RHSA-2023:0527
Red Hat Enterprise Linux ResilientStorage EUS (v.8.4)Fixed RHSA-2023:0506

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-45442
  2. 2026-10-03 Alias added: GHSA-2x8x-jmrp-phxw

References

Exploit 1

Patch 1

Advisory 4

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences