CVE-2022-31799: Bottle Denial of Service Vulnerability

CRITICAL
Advisory Identifier: GHSA-xhp9-4947-rq78
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CVSS 9.8
CWE-755
Published
Advisory Summary

CVE-2022-31799 is a CRITICAL (CVSS 9.8) denial of service vulnerability (CWE-755: Improper Handling of Exceptional Conditions) affecting Bottle libraries in the PyPI ecosystem. The issue involves denial of service in bottle. Remediation is available by upgrading affected packages to version 0.12.20.

CVE-2022-31799 at a Glance

CVE Identifier CVE-2022-31799
GHSA Identifier GHSA-xhp9-4947-rq78
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-755: Improper Handling of Exceptional Conditions
Affected Product Bottle
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2022-31799

To remediate this vulnerability, upgrade all affected Bottle dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

bottle fixed: 0.12.20 
pip install bottle>=0.12.20
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show bottle

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2022-31799, inspect your installed packages using pip:

pip show bottle

Analyze the terminal output to locate any version of Bottle in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.12.20), your application is affected.

Note: The pip show bottle command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-755: Improper Handling of Exceptional Conditions, where the product does not handle or incorrectly handles an exceptional condition. In Bottle, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Bottle before 0.12.20 mishandles errors during early request binding.

CVE-2022-31799 Affected Bottle Versions

1 component(s)
Fixed Versions:
0.12.20
Product / Package Ecosystem Affected Versions Fixed Version
bottle
pypi/bottle
PyPI
< 0.12.20
0.12.20

References

GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-xhp9-4947-rq78
NVD — CVE-2022-31799 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-31799
Security Fix Commit FIX COMMIT
https://github.com/bottlepy/bottle/commit/a2b0ee6bb4ce88895429ec4aca856616244c4c4c
Security Fix Commit FIX COMMIT
https://github.com/bottlepy/bottle/commit/e140e1b54da721a660f2eb9d58a106b7b3ff2f00
Bottle Source Repository REPOSITORY
https://github.com/bottlepy/bottle
Bottle Source Repository REPOSITORY
https://github.com/bottlepy/bottle/compare/0.12.19...0.12.20
Bottle Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/bottle/PYSEC-2022-227.yaml
lists.debian.org/debian-lts-announce... WEB
https://lists.debian.org/debian-lts-announce/2022/06/msg00010.html
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IE7U6J45PUEXIYYVWJKPM6QXIRKDK4HD
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KTLOQGMDZEPIYTFC2G53OQV2ULCGYS3F
Bottle Security Information SECURITY
https://www.debian.org/security/2022/dsa-5159

Frequently Asked Questions

What is CVE-2022-31799?
CVE-2022-31799 is a security vulnerability in Bottle involving Denial of service in bottle under CWE-755: Improper Handling of Exceptional Conditions.
Which Bottle versions are affected?
Affected versions include releases prior to 0.12.20 across affected packages: bottle.
What version fixes CVE-2022-31799?
Upgrading to 0.12.20 (or the latest patched release for your respective branch) resolves the vulnerability.
Is bottle affected?
Yes, bottle is affected in releases prior to 0.12.20. Upgrade your dependency to 0.12.20 or later.
What is the CVSS score of CVE-2022-31799?
CVE-2022-31799 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-31799?
CVE-2022-31799 is classified under CWE-755: Improper Handling of Exceptional Conditions (The product does not handle or incorrectly handles an exceptional condition.).
How can I check PyPI dependencies for CVE-2022-31799?
Run the dependency tree command: 'pip show bottle'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-xhp9-4947-rq78",
  "modified" : "2024-09-13T15:51:00Z",
  "published" : "2022-06-03T00:01:15Z",
  "aliases" : [ "CVE-2022-31799" ],
  "summary" : "Denial of service in bottle",
  "details" : "Bottle before 0.12.20 mishandles errors during early request binding.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "bottle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.12.20"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-31799"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/bottlepy/bottle/commit/a2b0ee6bb4ce88895429ec4aca856616244c4c4c"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/bottlepy/bottle/commit/e140e1b54da721a660f2eb9d58a106b7b3ff2f00"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-xhp9-4947-rq78"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/bottlepy/bottle"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/bottlepy/bottle/compare/0.12.19...0.12.20"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/bottle/PYSEC-2022-227.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://lists.debian.org/debian-lts-announce/2022/06/msg00010.html"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IE7U6J45PUEXIYYVWJKPM6QXIRKDK4HD"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KTLOQGMDZEPIYTFC2G53OQV2ULCGYS3F"
  }, {
    "type" : "WEB",
    "url" : "https://www.debian.org/security/2022/dsa-5159"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-755" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-06-03T22:31:26Z",
    "nvd_published_at" : "2022-06-02T14:15:00Z"
  }
}