CVE-2018-1000803: Github.com/go gitea/gitea Gitea Exposes Private Email Addresses Vulnerability

MODERATE
Advisory Identifier: GHSA-f5fj-7265-jxhj
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CVSS 5.3
CWE-200
Published
Advisory Summary

CVE-2018-1000803 is a MODERATE (CVSS 5.3) gitea exposes private email addresses vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Github.com/go gitea/gitea libraries in the Go ecosystem. The issue involves gitea exposes private email addresses. Remediation is available by upgrading affected packages to version 1.5.1.

CVE-2018-1000803 at a Glance

CVE Identifier CVE-2018-1000803
GHSA Identifier GHSA-f5fj-7265-jxhj
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product Github.com/go gitea/gitea
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.3

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:L/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 Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2018-1000803

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

github.com/go-gitea/gitea fixed: 1.5.1 
Upgrade github.com/go-gitea/gitea to 1.5.1
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 github.com/go-gitea/gitea

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-1000803, inspect your project dependencies for Github.com/go gitea/gitea:

inspect dependencies for github.com/go-gitea/gitea

Analyze the terminal output to locate any version of Github.com/go gitea/gitea in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.5.1), 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-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Github.com/go gitea/gitea, 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

Gitea version prior to version 1.5.1 contains a CWE-200 vulnerability that can result in Exposure of users private email addresses. This attack appear to be exploitable via Watch a repository to receive email notifications. Emails received contain the other recipients even if they have the email set as private. This vulnerability appears to have been fixed in 1.5.1. ### Specific Go Packages Affected github.com/go-gitea/gitea/models

CVE-2018-1000803 Affected Github.com/go gitea/gitea Versions

1 component(s)
Fixed Versions:
1.5.1
Product / Package Ecosystem Affected Versions Fixed Version
github.com/go-gitea/gitea
golang/github.com/go-gitea/gitea
Go
< 1.5.1
1.5.1

References

NVD — CVE-2018-1000803 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000803
Github.com/go gitea/gitea Source Repository REPOSITORY
https://github.com/go-gitea/gitea/pull/4664
Github.com/go gitea/gitea Source Repository REPOSITORY
https://github.com/go-gitea/gitea/pull/4664/files#diff-146e0c2b5bb1ea96c9fb73d509456e57
Security Fix Commit FIX COMMIT
https://github.com/go-gitea/gitea/commit/194a11eb110cd98fc2ba52861abf7770db6885a3

Frequently Asked Questions

What is CVE-2018-1000803?
CVE-2018-1000803 is a security vulnerability in Github.com/go gitea/gitea involving Gitea Exposes Private Email Addresses under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which Github.com/go gitea/gitea versions are affected?
Affected versions include releases prior to 1.5.1 across affected packages: github.com/go-gitea/gitea.
What version fixes CVE-2018-1000803?
Upgrading to 1.5.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/go-gitea/gitea affected?
Yes, github.com/go-gitea/gitea is affected in releases prior to 1.5.1. Upgrade your dependency to 1.5.1 or later.
What is the CVSS score of CVE-2018-1000803?
CVE-2018-1000803 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2018-1000803?
CVE-2018-1000803 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check Go dependencies for CVE-2018-1000803?
Run the dependency tree command: 'inspect dependencies for github.com/go-gitea/gitea'. 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-f5fj-7265-jxhj",
  "modified" : "2023-10-02T11:50:26Z",
  "published" : "2022-02-15T01:57:18Z",
  "aliases" : [ "CVE-2018-1000803" ],
  "summary" : "Gitea Exposes Private Email Addresses",
  "details" : "Gitea version prior to version 1.5.1 contains a CWE-200 vulnerability that can result in Exposure of users private email addresses. This attack appear to be exploitable via Watch a repository to receive email notifications. Emails received contain the other recipients even if they have the email set as private. This vulnerability appears to have been fixed in 1.5.1.\n\n### Specific Go Packages Affected\ngithub.com/go-gitea/gitea/models",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/go-gitea/gitea"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.5.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-1000803"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/pull/4664"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/pull/4664/files#diff-146e0c2b5bb1ea96c9fb73d509456e57"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/commit/194a11eb110cd98fc2ba52861abf7770db6885a3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-05-12T18:09:38Z",
    "nvd_published_at" : null
  }
}