From 55c6ceaaa6ec9323abe90bbba9fcd812da4e715d Mon Sep 17 00:00:00 2001
From: Cosmin Cojocar <cosmin.cojocar@gmx.ch>
Date: Tue, 9 Nov 2021 21:59:53 +0100
Subject: [PATCH] Fix crash when parsing the TLS min version value (#724)

---
 rules/tls.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rules/tls.go b/rules/tls.go
index 486b56e..55a6786 100644
--- a/rules/tls.go
+++ b/rules/tls.go
@@ -88,7 +88,7 @@ func (t *insecureConfigTLS) processTLSConfVal(n *ast.KeyValueExpr, c *gosec.Cont
 
 		case "MinVersion":
 			if d, ok := n.Value.(*ast.Ident); ok {
-				if vs, ok := d.Obj.Decl.(*ast.ValueSpec); ok {
+				if vs, ok := d.Obj.Decl.(*ast.ValueSpec); ok && len(vs.Values) > 0 {
 					if s, ok := vs.Values[0].(*ast.SelectorExpr); ok {
 						x := s.X.(*ast.Ident).Name
 						sel := s.Sel.Name