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Code

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

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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
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5
Gopkg.lock generated
View File

@ -342,14 +342,15 @@
revision = "d8a0b8677191f4380287cfebd08e462217bac7ad"
[[projects]]
digest = "1:b327ca585509a889130a8f51f43704a8fe03cb5cd281dbf1bc6405f5a7ea4702"
branch = "master"
digest = "1:8fea5718d84af17762195beb6fe92a0d6c1048452a1dbc464d227f12e0cff0cc"
name = "github.com/go-macaron/session"
packages = [
".",
"redis",
]
pruneopts = "NUT"
revision = "66031fcb37a0fff002a1f028eb0b3a815c78306b"
revision = "330e4e4d8beb7b00111ac34539561f46f94c4458"
[[projects]]
digest = "1:758d2371fcdee6d02565901b348729053c636055e67ef6e17aa466c7ff6cc57c"

12
vendor/github.com/go-macaron/session/file.go generated vendored
View File

@ -86,7 +86,7 @@ func (s *FileStore) Release() error {
return err
}
return ioutil.WriteFile(s.p.filepath(s.sid), data, os.ModePerm)
return ioutil.WriteFile(s.p.filepath(s.sid), data, 0600)
}
// Flush deletes all session data.
@ -121,7 +121,7 @@ func (p *FileProvider) filepath(sid string) string {
// Read returns raw session store by session ID.
func (p *FileProvider) Read(sid string) (_ RawStore, err error) {
filename := p.filepath(sid)
if err = os.MkdirAll(path.Dir(filename), os.ModePerm); err != nil {
if err = os.MkdirAll(path.Dir(filename), 0700); err != nil {
return nil, err
}
p.lock.RLock()
@ -129,7 +129,7 @@ func (p *FileProvider) Read(sid string) (_ RawStore, err error) {
var f *os.File
if com.IsFile(filename) {
f, err = os.OpenFile(filename, os.O_RDWR, os.ModePerm)
f, err = os.OpenFile(filename, os.O_RDONLY, 0600)
} else {
f, err = os.Create(filename)
}
@ -187,15 +187,15 @@ func (p *FileProvider) regenerate(oldsid, sid string) (err error) {
if err != nil {
return err
}
if err = os.MkdirAll(path.Dir(oldname), os.ModePerm); err != nil {
if err = os.MkdirAll(path.Dir(oldname), 0700); err != nil {
return err
}
if err = ioutil.WriteFile(oldname, data, os.ModePerm); err != nil {
if err = ioutil.WriteFile(oldname, data, 0600); err != nil {
return err
}
}
if err = os.MkdirAll(path.Dir(filename), os.ModePerm); err != nil {
if err = os.MkdirAll(path.Dir(filename), 0700); err != nil {
return err
}
if err = os.Rename(oldname, filename); err != nil {

20
vendor/github.com/go-macaron/session/session.go generated vendored
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 {