Update go-macaron/session to latest mast to fix RCE-bug (#5177)

This commit is contained in:
Kim "BKC" Carlbäcker 2018-10-25 13:53:39 +02:00 committed by Lunny Xiao
parent 5f938c0c78
commit aeb5655c25
3 changed files with 23 additions and 14 deletions

View file

@ -18,15 +18,17 @@ package session
import (
"encoding/hex"
"errors"
"fmt"
"net/http"
"net/url"
"strings"
"time"
"gopkg.in/macaron.v1"
)
const _VERSION = "0.3.0"
const _VERSION = "0.4.0"
func Version() string {
return _VERSION
@ -245,8 +247,8 @@ func NewManager(name string, opt Options) (*Manager, error) {
return &Manager{p, opt}, p.Init(opt.Maxlifetime, opt.ProviderConfig)
}
// sessionId generates a new session ID with rand string, unix nano time, remote addr by hash function.
func (m *Manager) sessionId() string {
// sessionID generates a new session ID with rand string, unix nano time, remote addr by hash function.
func (m *Manager) sessionID() string {
return hex.EncodeToString(generateRandomKey(m.opt.IDLength / 2))
}
@ -255,10 +257,10 @@ func (m *Manager) sessionId() string {
func (m *Manager) Start(ctx *macaron.Context) (RawStore, error) {
sid := ctx.GetCookie(m.opt.CookieName)
if len(sid) > 0 && m.provider.Exist(sid) {
return m.provider.Read(sid)
return m.Read(sid)
}
sid = m.sessionId()
sid = m.sessionID()
sess, err := m.provider.Read(sid)
if err != nil {
return nil, err
@ -282,6 +284,12 @@ func (m *Manager) Start(ctx *macaron.Context) (RawStore, error) {
// Read returns raw session store by session ID.
func (m *Manager) Read(sid string) (RawStore, error) {
// No slashes or dots "./" should ever occur in the sid and to prevent session file forgery bug.
// See https://github.com/gogs/gogs/issues/5469
if strings.ContainsAny(sid, "./") {
return nil, errors.New("invalid 'sid': " + sid)
}
return m.provider.Read(sid)
}
@ -308,7 +316,7 @@ func (m *Manager) Destory(ctx *macaron.Context) error {
// RegenerateId regenerates a session store from old session ID to new one.
func (m *Manager) RegenerateId(ctx *macaron.Context) (sess RawStore, err error) {
sid := m.sessionId()
sid := m.sessionID()
oldsid := ctx.GetCookie(m.opt.CookieName)
sess, err = m.provider.Regenerate(oldsid, sid)
if err != nil {