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Merge pull request #35323 from mikkeloscar/decode-pem

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Automatic merge from submit-queue

ssh pubkey parsing: prevent segfault
This commit is contained in:
Kubernetes Submit Queue 2016-10-27 02:59:29 -07:00 committed by GitHub
commit 2cd42b1bdb
1 changed files with 3 additions and 0 deletions
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3
pkg/ssh/ssh.go
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@ -277,6 +277,9 @@ func ParsePublicKeyFromFile(keyFile string) (*rsa.PublicKey, error) {
return nil, fmt.Errorf("error reading SSH key %s: '%v'", keyFile, err)
}
keyBlock, _ := pem.Decode(buffer)
if keyBlock == nil {
return nil, fmt.Errorf("error parsing SSH key %s: 'invalid PEM format'", keyFile)
}
key, err := x509.ParsePKIXPublicKey(keyBlock.Bytes)
if err != nil {
return nil, fmt.Errorf("error parsing SSH key %s: '%v'", keyFile, err)