Vulnerability-Lookup

GHSA-64V7-64H5-R58H

Vulnerability from github – Published: 2026-02-11 21:30 – Updated: 2026-02-11 21:30

Details

Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized input. Attackers can exploit the sprintf() buffer without proper length checking to overwrite memory and cause a segmentation fault, resulting in program termination.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2020-37182"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-121"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-11T21:16:11Z",
    "severity": "HIGH"
  },
  "details": "Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized input. Attackers can exploit the sprintf() buffer without proper length checking to overwrite memory and cause a segmentation fault, resulting in program termination.",
  "id": "GHSA-64v7-64h5-r58h",
  "modified": "2026-02-11T21:30:41Z",
  "published": "2026-02-11T21:30:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-37182"
    },
    {
      "type": "WEB",
      "url": "https://github.com/troglobit/redir"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/47919"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/redir-denial-of-service"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2020-37182 (GCVE-0-2020-37182)

Vulnerability from cvelistv5 – Published: 2026-02-11 20:37 – Updated: 2026-02-12 18:44

Title

Redir 3.3 - Denial of Service

Summary

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

VulnCheck

References

3 references

URL	Tags
https://www.exploit-db.com/exploits/47919	exploit
https://github.com/troglobit/redir	product
https://www.vulncheck.com/advisories/redir-denial…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
troglobit	Redir	Affected: 3.3

Date Public

2020-01-14 00:00

Credits

hieubl from HPT Cyber Security

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-37182",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-12T18:44:26.022712Z",
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      ],
      "metrics": [
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            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "tags": [
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        },
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          "tags": [
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        }
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-64V7-64H5-R58H

CVE-2020-37182 (GCVE-0-2020-37182)

Tags

Sightings

Nomenclature