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| author | OpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com> | 2022-01-13 18:06:54 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-01-13 18:06:54 +0100 |
| commit | eeb76db0fd0dc2a1115c2f2ad12c82eadbc62509 (patch) | |
| tree | 4666b0a66a98bd3f29586b3d3ac2c3028bd7443a /vendor/golang.org/x/crypto/ssh/cipher.go | |
| parent | ab7228b3c27719e447de4dffe9b3fd7f67d6f346 (diff) | |
| parent | ece768ff9e7d2b0166c0b1850467a489556b93fc (diff) | |
| download | podman-eeb76db0fd0dc2a1115c2f2ad12c82eadbc62509.tar.gz podman-eeb76db0fd0dc2a1115c2f2ad12c82eadbc62509.tar.bz2 podman-eeb76db0fd0dc2a1115c2f2ad12c82eadbc62509.zip | |
Merge pull request #12642 from Luap99/libnetwork
use libnetwork from c/common
Diffstat (limited to 'vendor/golang.org/x/crypto/ssh/cipher.go')
| -rw-r--r-- | vendor/golang.org/x/crypto/ssh/cipher.go | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/vendor/golang.org/x/crypto/ssh/cipher.go b/vendor/golang.org/x/crypto/ssh/cipher.go index 8bd6b3daf..f8bdf4984 100644 --- a/vendor/golang.org/x/crypto/ssh/cipher.go +++ b/vendor/golang.org/x/crypto/ssh/cipher.go @@ -18,7 +18,7 @@ import ( "io/ioutil" "golang.org/x/crypto/chacha20" - "golang.org/x/crypto/poly1305" + "golang.org/x/crypto/internal/poly1305" ) const ( @@ -394,6 +394,10 @@ func (c *gcmCipher) readCipherPacket(seqNum uint32, r io.Reader) ([]byte, error) } c.incIV() + if len(plain) == 0 { + return nil, errors.New("ssh: empty packet") + } + padding := plain[0] if padding < 4 { // padding is a byte, so it automatically satisfies @@ -710,6 +714,10 @@ func (c *chacha20Poly1305Cipher) readCipherPacket(seqNum uint32, r io.Reader) ([ plain := c.buf[4:contentEnd] s.XORKeyStream(plain, plain) + if len(plain) == 0 { + return nil, errors.New("ssh: empty packet") + } + padding := plain[0] if padding < 4 { // padding is a byte, so it automatically satisfies |