CVE-2020-36511: Bite Remote Code Execution Vulnerability

HIGH
Advisory Identifier: GHSA-v2ch-fc8f-qm33
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CVSS 7.5
CWE-908
Published
Advisory Summary

CVE-2020-36511 is a HIGH (CVSS 7.5) remote code execution vulnerability (CWE-908: Use of Uninitialized Resource) affecting Bite libraries in the crates.io ecosystem. The issue involves use of uninitialized resource in bite.. Remediation is available in the latest vendor maintenance releases.

CVE-2020-36511 at a Glance

CVE Identifier CVE-2020-36511
GHSA Identifier GHSA-v2ch-fc8f-qm33
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-908: Use of Uninitialized Resource
Affected Product Bite
Package Ecosystem crates.io
Published Date
Last Updated

Security Impact

CVSS: 7.5

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:N/A:N).

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 None (I:N)
Availability None (A:N)

How to Fix CVE-2020-36511

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

bite fixed: Latest secure release 
Upgrade bite to Latest secure release
Verify Direct and Transitive Dependencies

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

inspect dependencies for bite

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-36511, inspect your project dependencies for Bite:

inspect dependencies for bite

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

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-908: Use of Uninitialized Resource, where the product uses or accesses a resource that has not been initialized. In Bite, 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

An issue was discovered in the bite crate through 2020-12-31 for Rust. read::BiteReadExpandedExt::read_framed_max may read from uninitialized memory locations.

CVE-2020-36511 Affected Bite Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
bite
 crates.io
≤ 0.0.5

References

NVD — CVE-2020-36511 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36511
Bite Source Repository REPOSITORY
https://github.com/hinaria/bite/issues/1
Bite Source Repository REPOSITORY
https://github.com/hinaria/bite
raw.githubusercontent.com/rustsec/advisory-db... WEB
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/bite/RUSTSEC-2020-0153.md
rustsec.org/advisories/rustsec-... WEB
https://rustsec.org/advisories/RUSTSEC-2020-0153.html

Frequently Asked Questions

What is CVE-2020-36511?
CVE-2020-36511 is a security vulnerability in Bite involving Use of Uninitialized Resource in bite. under CWE-908: Use of Uninitialized Resource.
Which Bite versions are affected?
Affected versions include releases prior to current release patches across affected packages: bite.
What version fixes CVE-2020-36511?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is bite affected?
Yes, bite is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2020-36511?
CVE-2020-36511 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2020-36511?
CVE-2020-36511 is classified under CWE-908: Use of Uninitialized Resource (The product uses or accesses a resource that has not been initialized.).
How can I check crates.io dependencies for CVE-2020-36511?
Run the dependency tree command: 'inspect dependencies for bite'. 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-v2ch-fc8f-qm33",
  "modified" : "2022-01-07T16:24:37Z",
  "published" : "2022-01-06T22:16:57Z",
  "aliases" : [ "CVE-2020-36511" ],
  "summary" : "Use of Uninitialized Resource in bite.",
  "details" : "An issue was discovered in the bite crate through 2020-12-31 for Rust. read::BiteReadExpandedExt::read_framed_max may read from uninitialized memory locations.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "crates.io",
      "name" : "bite"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.0.5"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-36511"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/hinaria/bite/issues/1"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/hinaria/bite"
  }, {
    "type" : "WEB",
    "url" : "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/bite/RUSTSEC-2020-0153.md"
  }, {
    "type" : "WEB",
    "url" : "https://rustsec.org/advisories/RUSTSEC-2020-0153.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-908" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-01-06T18:21:51Z",
    "nvd_published_at" : "2021-12-27T00:15:00Z"
  }
}