diff options
| -rw-r--r-- | doc/doc-txt/cve-2016-9663 | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/doc/doc-txt/cve-2016-9663 b/doc/doc-txt/cve-2016-9663 index ae85a73cb..ffff3db52 100644 --- a/doc/doc-txt/cve-2016-9663 +++ b/doc/doc-txt/cve-2016-9663 @@ -60,8 +60,8 @@ Fix Install a fixed Exim version: - 4.88 (available soon) - 4.87.1 (available soon) + 4.88 + 4.87.1 If you can't install one of the above versions, ask your package maintainer for a version containing the backported fix. On request and @@ -69,6 +69,11 @@ depending on our resources we will support you in backporting the fix. (Please note, that Exim project officially doesn't support versions prior the current stable version.) +If you think that you MIGHT be affected, we HIGHLY recommend to create +a new set of DKIM keys and fade out the previous DKIM key soon to make +sure that a possibly leaked DKIM key can not be misused in the future. + + Workaround ========== @@ -84,3 +89,7 @@ You can check if you where affected already. The mainlog entries look like this: 2016-12-17 09:44:33 10HmaX-0005vi-00 ** baduser@test.ex R=client T=send_to_server H=ip4.ip4.ip4.ip4 [ip4.ip4.ip4.ip4]: PRDR error after -----BEGIN RSA PRIVATE KEY-----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\nfKQax6vhiMq+0qIiEwLA1wavyLVKZ7Mfag+/4NTcDUVC\n-----END RSA PRIVATE KEY-----\n: 550 PRDR R=<baduser@test.ex> refusal +Even if there is no evidence in the existing log files, that a DKIM key +leakage happened this might have happened in the past, log files might +have been deleted already but a key leak could have ended up via mail +bounce in a user mail box |