Apple Mac OS X Server Wiki 服务器目录遍历漏洞

来源：绿盟科技作者：出处：巧巧读书 2008-03-21 进入讨论组

受影响系统：
Apple MacOS X Server 10.5.2

描述：
Mac OS X Server也被称为Leopard Server，是苹果发布的集成了多种功能的服务器。

MacOS X Server中默认启用的python Web服务器Wiki Server受目录遍历攻击的影响，远程攻击者可能利用此漏洞控制服务器。

可以编辑wiki内容的用户可以上传文件替换wiki服务器可写入的内容，导致以wiki服务器的权限执行任意代码。以下是/usr/share/wikid/lib/python/apple_wlt/ContentServer.py文件中有漏洞的代码段：

/-----------

def uploadFileCallback(self, result):
    filename, filetype, aFile = result[1][self.type][0]
    filename = filename.decode('utf-8')
    filename = filename.split('\\')[-1] # IE sends the whole path,
including your local username.
    extension = filename.split('.')[-1]
    oldFilename = filename
    uploadType = os.path.split(self.fullpath)[-1]
    if uploadType == "images":
        filename = SettingsManager.findGoodName() + '.' + extension
    logging.debug("beginning file upload: %s" % filename)
    isImage = filenameIsImage(filename)
    newPath = ImageUtilities.findUniqueFileName(os.path.join(self.fullpath,
filename), isImage = (not uploadType == 'attachments'))
    newFilename = os.path.basename(newPath)
    if uploadType == "attachments":
        newParentFolder = os.path.dirname(newPath)
        os.mkdir(newParentFolder)
        newFilename = os.path.join(os.path.basename(newParentFolder), filename)
      [...]