found 820369 golang/2:1.3.3-1 thanks On 8 April 2016 at 09:25, Tianon Gravi <tia...@debian.org> wrote: > (Go 1.5.4 and Go 1.6.1 will be released on Wednesday April 13 at > approximately 2am UTC)
I've uploaded 1.6.1 to unstable, but attached is a patch which appears to apply cleanly against jessie's 1.3.3 (only modified paths for src/ -> src/pkg/ from the patch that was applied via CL upstream). ♥, - Tianon 4096R / B42F 6819 007F 00F8 8E36 4FD4 036A 9C25 BF35 7DD4
From eb876dd83cb8413335d64e50aae5d38337d1ebb4 Mon Sep 17 00:00:00 2001 From: Robert Griesemer <g...@golang.org> Date: Tue, 5 Apr 2016 09:44:00 -0700 Subject: [PATCH] crypto/dsa: eliminate invalid PublicKey early For PublicKey.P == 0, Verify will fail. Don't even try. Change-Id: I1009f2b3dead8d0041626c946633acb10086d8c8 Reviewed-on: https://go-review.googlesource.com/21533 Reviewed-by: Brad Fitzpatrick <bradf...@golang.org> Run-TryBot: Brad Fitzpatrick <bradf...@golang.org> TryBot-Result: Gobot Gobot <go...@golang.org> --- src/pkg/crypto/dsa/dsa.go | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/pkg/crypto/dsa/dsa.go b/src/pkg/crypto/dsa/dsa.go index 96768ce..e9b6a0c 100644 --- a/src/pkg/crypto/dsa/dsa.go +++ b/src/pkg/crypto/dsa/dsa.go @@ -247,6 +247,10 @@ func Sign(rand io.Reader, priv *PrivateKey, hash []byte) (r, s *big.Int, err err func Verify(pub *PublicKey, hash []byte, r, s *big.Int) bool { // FIPS 186-3, section 4.7 + if pub.P.Sign() == 0 { + return false + } + if r.Sign() < 1 || r.Cmp(pub.Q) >= 0 { return false }
