diff options
Diffstat (limited to 'gnu/packages/patches/icecat-re-enable-DHE-cipher-suites.patch')
| -rw-r--r-- | gnu/packages/patches/icecat-re-enable-DHE-cipher-suites.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gnu/packages/patches/icecat-re-enable-DHE-cipher-suites.patch b/gnu/packages/patches/icecat-re-enable-DHE-cipher-suites.patch new file mode 100644 index 0000000000..5c869bf510 --- /dev/null +++ b/gnu/packages/patches/icecat-re-enable-DHE-cipher-suites.patch @@ -0,0 +1,24 @@ +Re-enable the DHE (Ephemeral Diffie-Hellman) cipher suites, which IceCat +38.6.0 disabled by default to avoid the Logjam attack. This issue was +fixed in NSS version 3.19.1 by limiting the lower strength of supported +DHE keys to use 1023 bit primes, so we can enable these cipher suites +safely. The DHE cipher suites are needed to allow IceCat to connect to +many sites, including https://gnupg.org/. + +Patch by Mark H Weaver <mhw@netris.org> + +--- icecat-38.6.0/browser/app/profile/icecat.js.orig 1969-12-31 19:00:00.000000000 -0500 ++++ icecat-38.6.0/browser/app/profile/icecat.js 2016-02-06 00:48:23.826170154 -0500 +@@ -2061,12 +2061,6 @@ + pref("security.ssl3.rsa_des_ede3_sha", false); + pref("security.ssl3.ecdhe_ecdsa_rc4_128_sha", false); + pref("security.ssl3.ecdhe_rsa_rc4_128_sha", false); +-// https://directory.fsf.org/wiki/Disable_DHE +-// Avoid logjam attack +-pref("security.ssl3.dhe_rsa_aes_128_sha", false); +-pref("security.ssl3.dhe_rsa_aes_256_sha", false); +-pref("security.ssl3.dhe_dss_aes_128_sha", false); +-pref("security.ssl3.dhe_rsa_des_ede3_sha", false); + //Optional + //Perfect forward secrecy + // pref("security.ssl3.rsa_aes_256_sha", false); |