aboutsummaryrefslogtreecommitdiff
path: root/gnu/packages/patches
diff options
context:
space:
mode:
authorPierre Langlois <pierre.langlois@gmx.com>2017-02-18 18:01:13 +0000
committerRicardo Wurmus <rekado@elephly.net>2017-10-25 14:54:13 +0200
commitde98f4ed55a8cd1bc77a63f251eb451d2ef8bbb0 (patch)
treee95636f10fafeaa620d731a1ad7449b35177fc02 /gnu/packages/patches
parent60b7ed9cb86e0990f6b94a2a9db24b3275070104 (diff)
downloadguix-de98f4ed55a8cd1bc77a63f251eb451d2ef8bbb0.tar
guix-de98f4ed55a8cd1bc77a63f251eb451d2ef8bbb0.tar.gz
gnu: Add crypto++.
* gnu/packages/crypto.scm (crypto++): New variable. * gnu/packages/patches/crypto++-fix-dos-in-asn.1-decoders.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. Co-authored-by: Ricardo Wurmus <rekado@elephly.net>
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r--gnu/packages/patches/crypto++-fix-dos-in-asn.1-decoders.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/gnu/packages/patches/crypto++-fix-dos-in-asn.1-decoders.patch b/gnu/packages/patches/crypto++-fix-dos-in-asn.1-decoders.patch
new file mode 100644
index 0000000000..88b2e7f25a
--- /dev/null
+++ b/gnu/packages/patches/crypto++-fix-dos-in-asn.1-decoders.patch
@@ -0,0 +1,65 @@
+From 3d9181d7bdd8e491f745dbc9e34bd20b6f6da069 Mon Sep 17 00:00:00 2001
+From: Gergely Nagy <ngg@tresorit.com>
+Date: Wed, 14 Dec 2016 13:19:01 +0100
+Subject: [PATCH] Fix possible DoS in ASN.1 decoders (CVE-2016-9939)
+
+---
+ asn.cpp | 10 ++++++++++
+ asn.h | 2 ++
+ 2 files changed, 12 insertions(+)
+
+diff --git a/asn.cpp b/asn.cpp
+index 297ff010..2e923ef7 100644
+--- a/asn.cpp
++++ b/asn.cpp
+@@ -123,6 +123,8 @@ size_t BERDecodeOctetString(BufferedTransformation &bt, SecByteBlock &str)
+ size_t bc;
+ if (!BERLengthDecode(bt, bc))
+ BERDecodeError();
++ if (bc > bt.MaxRetrievable())
++ BERDecodeError();
+
+ str.New(bc);
+ if (bc != bt.Get(str, bc))
+@@ -139,6 +141,8 @@ size_t BERDecodeOctetString(BufferedTransformation &bt, BufferedTransformation &
+ size_t bc;
+ if (!BERLengthDecode(bt, bc))
+ BERDecodeError();
++ if (bc > bt.MaxRetrievable())
++ BERDecodeError();
+
+ bt.TransferTo(str, bc);
+ return bc;
+@@ -161,6 +165,8 @@ size_t BERDecodeTextString(BufferedTransformation &bt, std::string &str, byte as
+ size_t bc;
+ if (!BERLengthDecode(bt, bc))
+ BERDecodeError();
++ if (bc > bt.MaxRetrievable())
++ BERDecodeError();
+
+ SecByteBlock temp(bc);
+ if (bc != bt.Get(temp, bc))
+@@ -188,6 +194,10 @@ size_t BERDecodeBitString(BufferedTransformation &bt, SecByteBlock &str, unsigne
+ size_t bc;
+ if (!BERLengthDecode(bt, bc))
+ BERDecodeError();
++ if (bc == 0)
++ BERDecodeError();
++ if (bc > bt.MaxRetrievable())
++ BERDecodeError();
+
+ byte unused;
+ if (!bt.Get(unused))
+diff --git a/asn.h b/asn.h
+index ed9de52c..33f0dd09 100644
+--- a/asn.h
++++ b/asn.h
+@@ -498,6 +498,8 @@ void BERDecodeUnsigned(BufferedTransformation &in, T &w, byte asnTag = INTEGER,
+ bool definite = BERLengthDecode(in, bc);
+ if (!definite)
+ BERDecodeError();
++ if (bc > in.MaxRetrievable())
++ BERDecodeError();
+
+ SecByteBlock buf(bc);
+