From c3b54877209fd9a7a61b62f64daf2254213bf6bd Mon Sep 17 00:00:00 2001 From: Martin Weinelt Date: Sun, 21 Feb 2021 18:04:39 +0100 Subject: [PATCH] screen: apply patch for CVE-2021-26937 encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence. Fixes: CVE-2021-26937 --- pkgs/tools/misc/screen/default.nix | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/pkgs/tools/misc/screen/default.nix b/pkgs/tools/misc/screen/default.nix index 0443deae077..70a95957855 100644 --- a/pkgs/tools/misc/screen/default.nix +++ b/pkgs/tools/misc/screen/default.nix @@ -16,7 +16,14 @@ stdenv.mkDerivation rec { "--enable-colors256" ]; - patches = lib.optional stdenv.hostPlatform.isMusl + patches = [ + (fetchpatch { + # Fixes denial of services in encoding.c, remove > 4.8.0 + name = "CVE-2021-26937.patch"; + url = "https://salsa.debian.org/debian/screen/-/raw/master/debian/patches/99_CVE-2021-26937.patch"; + sha256 = "05f3p1c7s83nccwkhmavjzgaysxnvq41c7jffs31ra65kcpabqy0"; + }) + ] ++ lib.optional stdenv.hostPlatform.isMusl (fetchpatch { url = "https://gist.githubusercontent.com/yujinakayama/4608863/raw/76b9f89af5e5a2e97d9a0f36aac989fb56cf1447/gistfile1.diff"; sha256 = "0f9bf83p8zdxaa1pr75jyf5g8xr3r8kv7cyzzbpraa1q4j15ss1p";