Heiko Schlittermann <h...@schlittermann.de> (Mi 07 Feb 2018 11:39:43 CET): > CVE-2018-6789 Exim 4.90 and earlier > =================================== > > There is a buffer overflow in an utility function, if some pre-conditions > are met. Using a handcrafted message, remote code execution seems to be > possible. > > A patch exists already and is being tested. > > Currently we're unsure about the severity, we *believe*, an exploit > is difficult. A mitigation isn't known. > > Next steps: > > * t0: Distros will get access to our "security" non-public git repo > (based on the SSH keys known to us) > * t0 +7d: Patch will be published on the official public git repo > > t0 will be around 2018-02-08.
t0 is now. Distro maintainers please use the following repos URLs: The full git repo: ssh://g...@exim.org/exim.git tag: exim-4_90_1 The tarballs git repo: ssh://g...@exim.org/exim-packages.git tag: exim-4_90_1 The tags are signed with my key¹, as are the tarballs and my own commits. ¹) If you get a warning about my key being expired, please refresh it from the keyservers or from https://ssl.schlittermann.de/keys/gpg/h...@schlittermann.de/F69376CE.asc Best regards from Dresden/Germany Viele Grüße aus Dresden Heiko Schlittermann -- SCHLITTERMANN.de ---------------------------- internet & unix support - Heiko Schlittermann, Dipl.-Ing. (TU) - {fon,fax}: +49.351.802998{1,3} - gnupg encrypted messages are welcome --------------- key ID: F69376CE - ! key id 7CBF764A and 972EAC9F are revoked since 2015-01 ------------ -
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