[SECURITY] Test XSS in wiki last commit information

On the wiki and revisions page, information is shown about the last
commit that modified that wiki page. This includes the time it was last
edited and by whom. Verify it is sanitized.
This commit is contained in:
Gusted 2024-01-17 16:16:46 +01:00 committed by Earl Warren
parent 2f5b266cca
commit 565e331238
No known key found for this signature in database
GPG key ID: 0579CB2928A78A00

View file

@ -4,14 +4,24 @@
package integration
import (
"context"
"fmt"
"net/http"
"net/url"
"os"
"path/filepath"
"testing"
"time"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/tests"
gogit "github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing/object"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestXSSUserFullName(t *testing.T) {
@ -37,3 +47,68 @@ func TestXSSUserFullName(t *testing.T) {
htmlDoc.doc.Find("div.content").Find(".header.text.center").Text(),
)
}
func TestXSSWikiLastCommitInfo(t *testing.T) {
onGiteaRun(t, func(t *testing.T, u *url.URL) {
// Prepare the environment.
dstPath := t.TempDir()
r := fmt.Sprintf("%suser2/repo1.wiki.git", u.String())
u, err := url.Parse(r)
assert.NoError(t, err)
u.User = url.UserPassword("user2", userPassword)
assert.NoError(t, git.CloneWithArgs(context.Background(), git.AllowLFSFiltersArgs(), u.String(), dstPath, git.CloneRepoOptions{}))
// Use go-git here, because using git wouldn't work, it has code to remove
// `<`, `>` and `\n` in user names. Even though this is permitted and
// wouldn't result in a error by a Git server.
gitRepo, err := gogit.PlainOpen(dstPath)
require.NoError(t, err)
w, err := gitRepo.Worktree()
require.NoError(t, err)
filename := filepath.Join(dstPath, "Home.md")
err = os.WriteFile(filename, []byte("Oh, a XSS attack?"), 0o644)
require.NoError(t, err)
_, err = w.Add("Home.md")
require.NoError(t, err)
_, err = w.Commit("Yay XSS", &gogit.CommitOptions{
Author: &object.Signature{
Name: `Gusted<script class="evil">alert('Oh no!');</script>`,
Email: "valid@example.org",
When: time.Date(2024, time.January, 31, 0, 0, 0, 0, time.UTC),
},
})
require.NoError(t, err)
// Push.
_, _, err = git.NewCommand(git.DefaultContext, "push").AddArguments(git.ToTrustedCmdArgs([]string{"origin", "master"})...).RunStdString(&git.RunOpts{Dir: dstPath})
require.NoError(t, err)
// Check on page view.
t.Run("Page view", func(t *testing.T) {
defer tests.PrintCurrentTest(t)()
req := NewRequest(t, http.MethodGet, "/user2/repo1/wiki/Home")
resp := MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
htmlDoc.AssertElement(t, "script.evil", false)
assert.Contains(t, htmlDoc.Find(".ui.sub.header").Text(), `Gusted<script class="evil">alert('Oh no!');</script> edited this page 2024-01-31`)
})
// Check on revisions page.
t.Run("Revision page", func(t *testing.T) {
defer tests.PrintCurrentTest(t)()
req := NewRequest(t, http.MethodGet, "/user2/repo1/wiki/Home?action=_revision")
resp := MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
htmlDoc.AssertElement(t, "script.evil", false)
assert.Contains(t, htmlDoc.Find(".ui.sub.header").Text(), `Gusted<script class="evil">alert('Oh no!');</script> edited this page 2024-01-31`)
})
})
}