Changeset - 81057be7a5c1
[Not reviewed]
stable
0 2 0
Søren Løvborg - 10 years ago 2016-04-19 16:57:38
sorenl@unity3d.com
auth: properly invoke PermFunctions (CVE-2016-3114)

This fixes a vulnerability that allowed logged-in users to edit or
delete open pull requests associated with any repository to which
they had read access, plus a related vulnerability allowing logged-in
users to delete any comment from any repository, provided they could
determine the comment ID and had read access to just one repository.
2 files changed with 6 insertions and 6 deletions:
0 comments (0 inline, 0 general)
kallithea/controllers/changeset.py
Show inline comments
 
@@ -378,100 +378,100 @@ class ChangesetController(BaseRepoContro
 
                    revision=revision,
 
                    dont_allow_on_closed_pull_request=True
 
                )
 
            except StatusChangeOnClosedPullRequestError:
 
                log.debug(traceback.format_exc())
 
                msg = _('Changing status on a changeset associated with '
 
                        'a closed pull request is not allowed')
 
                h.flash(msg, category='warning')
 
                return redirect(h.url('changeset_home', repo_name=repo_name,
 
                                      revision=revision))
 
        action_logger(self.authuser,
 
                      'user_commented_revision:%s' % revision,
 
                      c.db_repo, self.ip_addr, self.sa)
 

	
 
        Session().commit()
 

	
 
        if not request.environ.get('HTTP_X_PARTIAL_XHR'):
 
            return redirect(h.url('changeset_home', repo_name=repo_name,
 
                                  revision=revision))
 
        #only ajax below
 
        data = {
 
           'target_id': h.safeid(h.safe_unicode(request.POST.get('f_path'))),
 
        }
 
        if comment is not None:
 
            data.update(comment.get_dict())
 
            data.update({'rendered_text':
 
                         render('changeset/changeset_comment_block.html')})
 

	
 
        return data
 

	
 
    @LoginRequired()
 
    @NotAnonymous()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    def preview_comment(self):
 
        if not request.environ.get('HTTP_X_PARTIAL_XHR'):
 
            raise HTTPBadRequest()
 
        text = request.POST.get('text')
 
        if text:
 
            return h.rst_w_mentions(text)
 
        return ''
 

	
 
    @LoginRequired()
 
    @NotAnonymous()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    @jsonify
 
    def delete_comment(self, repo_name, comment_id):
 
        co = ChangesetComment.get(comment_id)
 
        if not co:
 
            raise HTTPBadRequest()
 
        co = ChangesetComment.get_or_404(comment_id)
 
        if co.repo.repo_name != repo_name:
 
            raise HTTPNotFound()
 
        owner = co.author.user_id == c.authuser.user_id
 
        repo_admin = h.HasRepoPermissionAny('repository.admin')
 
        repo_admin = h.HasRepoPermissionAny('repository.admin')(repo_name)
 
        if h.HasPermissionAny('hg.admin')() or repo_admin or owner:
 
            ChangesetCommentsModel().delete(comment=co)
 
            Session().commit()
 
            return True
 
        else:
 
            raise HTTPForbidden()
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    @jsonify
 
    def changeset_info(self, repo_name, revision):
 
        if request.is_xhr:
 
            try:
 
                return c.db_repo_scm_instance.get_changeset(revision)
 
            except ChangesetDoesNotExistError as e:
 
                return EmptyChangeset(message=str(e))
 
        else:
 
            raise HTTPBadRequest()
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    @jsonify
 
    def changeset_children(self, repo_name, revision):
 
        if request.is_xhr:
 
            changeset = c.db_repo_scm_instance.get_changeset(revision)
 
            result = {"results": []}
 
            if changeset.children:
 
                result = {"results": changeset.children}
 
            return result
 
        else:
 
            raise HTTPBadRequest()
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    @jsonify
 
    def changeset_parents(self, repo_name, revision):
 
        if request.is_xhr:
 
            changeset = c.db_repo_scm_instance.get_changeset(revision)
 
            result = {"results": []}
 
            if changeset.parents:
 
                result = {"results": changeset.parents}
 
            return result
 
        else:
 
            raise HTTPBadRequest()
kallithea/controllers/pullrequests.py
Show inline comments
 
@@ -440,97 +440,97 @@ class PullrequestsController(BaseRepoCon
 
        descriptions = description.replace('\r\n', '\n').split('\n-- \n', 1)
 
        description = descriptions[0].strip() + '\n\n-- \n' + '\n'.join(infos)
 
        if len(descriptions) > 1:
 
            description += '\n\n' + descriptions[1].strip()
 

	
 
        try:
 
            pull_request = PullRequestModel().create(
 
                self.authuser.user_id,
 
                old_pull_request.org_repo.repo_name, new_org_ref,
 
                old_pull_request.other_repo.repo_name, new_other_ref,
 
                revisions, reviewers_ids, title, description
 
            )
 
        except UserInvalidException as u:
 
            h.flash(_('Invalid reviewer "%s" specified') % u, category='error')
 
            raise HTTPBadRequest()
 
        except Exception:
 
            h.flash(_('Error occurred while creating pull request'),
 
                    category='error')
 
            log.error(traceback.format_exc())
 
            return redirect(old_pull_request.url())
 

	
 
        ChangesetCommentsModel().create(
 
            text=_('Closed, replaced by %s .') % pull_request.url(canonical=True),
 
            repo=old_pull_request.other_repo.repo_id,
 
            user=c.authuser.user_id,
 
            pull_request=old_pull_request.pull_request_id,
 
            closing_pr=True)
 
        PullRequestModel().close_pull_request(old_pull_request.pull_request_id)
 

	
 
        Session().commit()
 
        h.flash(_('Pull request update created'),
 
                category='success')
 

	
 
        return redirect(pull_request.url())
 

	
 
    # pullrequest_post for PR editing
 
    @LoginRequired()
 
    @NotAnonymous()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    def post(self, repo_name, pull_request_id):
 
        pull_request = PullRequest.get_or_404(pull_request_id)
 
        if pull_request.is_closed():
 
            raise HTTPForbidden()
 
        assert pull_request.other_repo.repo_name == repo_name
 
        #only owner or admin can update it
 
        owner = pull_request.owner.user_id == c.authuser.user_id
 
        repo_admin = h.HasRepoPermissionAny('repository.admin')(c.repo_name)
 
        if not (h.HasPermissionAny('hg.admin') or repo_admin or owner):
 
        if not (h.HasPermissionAny('hg.admin')() or repo_admin or owner):
 
            raise HTTPForbidden()
 

	
 
        _form = PullRequestPostForm()().to_python(request.POST)
 
        reviewers_ids = [int(s) for s in _form['review_members']]
 

	
 
        if _form['updaterev']:
 
            return self.create_update(pull_request,
 
                                      _form['updaterev'],
 
                                      _form['pullrequest_title'],
 
                                      _form['pullrequest_desc'],
 
                                      reviewers_ids)
 

	
 
        old_description = pull_request.description
 
        pull_request.title = _form['pullrequest_title']
 
        pull_request.description = _form['pullrequest_desc'].strip() or _('No description')
 
        pull_request.owner = User.get_by_username(_form['owner'])
 
        user = User.get(c.authuser.user_id)
 
        try:
 
            PullRequestModel().mention_from_description(user, pull_request, old_description)
 
            PullRequestModel().update_reviewers(user, pull_request_id, reviewers_ids)
 
        except UserInvalidException as u:
 
            h.flash(_('Invalid reviewer "%s" specified') % u, category='error')
 
            raise HTTPBadRequest()
 

	
 
        Session().commit()
 
        h.flash(_('Pull request updated'), category='success')
 

	
 
        return redirect(pull_request.url())
 

	
 
    @LoginRequired()
 
    @NotAnonymous()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    @jsonify
 
    def delete(self, repo_name, pull_request_id):
 
        pull_request = PullRequest.get_or_404(pull_request_id)
 
        #only owner can delete it !
 
        if pull_request.owner.user_id == c.authuser.user_id:
 
            PullRequestModel().delete(pull_request)
 
            Session().commit()
 
            h.flash(_('Successfully deleted pull request'),
 
                    category='success')
 
            return redirect(url('my_pullrequests'))
 
        raise HTTPForbidden()
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
@@ -743,54 +743,54 @@ class PullrequestsController(BaseRepoCon
 
        action_logger(self.authuser,
 
                      'user_commented_pull_request:%s' % pull_request_id,
 
                      c.db_repo, self.ip_addr, self.sa)
 

	
 
        if status:
 
            ChangesetStatusModel().set_status(
 
                c.db_repo.repo_id,
 
                status,
 
                c.authuser.user_id,
 
                comment,
 
                pull_request=pull_request_id
 
            )
 

	
 
        if close_pr:
 
            PullRequestModel().close_pull_request(pull_request_id)
 
            action_logger(self.authuser,
 
                          'user_closed_pull_request:%s' % pull_request_id,
 
                          c.db_repo, self.ip_addr, self.sa)
 

	
 
        Session().commit()
 

	
 
        if not request.environ.get('HTTP_X_PARTIAL_XHR'):
 
            return redirect(pull_request.url())
 

	
 
        data = {
 
           'target_id': h.safeid(h.safe_unicode(request.POST.get('f_path'))),
 
        }
 
        if comment is not None:
 
            c.comment = comment
 
            data.update(comment.get_dict())
 
            data.update({'rendered_text':
 
                         render('changeset/changeset_comment_block.html')})
 

	
 
        return data
 

	
 
    @LoginRequired()
 
    @NotAnonymous()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    @jsonify
 
    def delete_comment(self, repo_name, comment_id):
 
        co = ChangesetComment.get(comment_id)
 
        if co.pull_request.is_closed():
 
            #don't allow deleting comments on closed pull request
 
            raise HTTPForbidden()
 

	
 
        owner = co.author.user_id == c.authuser.user_id
 
        repo_admin = h.HasRepoPermissionAny('repository.admin')(c.repo_name)
 
        if h.HasPermissionAny('hg.admin') or repo_admin or owner:
 
        if h.HasPermissionAny('hg.admin')() or repo_admin or owner:
 
            ChangesetCommentsModel().delete(comment=co)
 
            Session().commit()
 
            return True
 
        else:
 
            raise HTTPForbidden()
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