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[exim.git] / doc / doc-txt / cve-2019-15846 / posting-0.txt
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1To: distros@vs.openwall.org, exim-maintainers@exim.org
2From: [ do not use a dmarc protected sender ]
3
4** EMBARGO *** This information is not public yet.
5
6CVE ID: CVE-2019-15846
7Credits: Zerons <sironhide0null@gmail.com>, Qualys
8Version(s): all versions up to and including 4.92.1
9Issue: The SMTP Delivery process in all versions up to and
10 including Exim 4.92.1 has a Buffer Overflow. In the default
11 runtime configuration, this is exploitable with crafted Server
12 Name Indication (SNI) data during a TLS negotiation. In other
13 configurations, it is exploitable with a crafted client TLS certificate.
14Details: doc/doc-txt/cve-2019-15846 in the downloaded source tree
15
16Contact: security@exim.org
17
18Proposed Timeline
19=================
20
212019-09-03:
22 - This notice to distros@vs.openwall.org and exim-maintainers@exim.org
23 - Open limited access to our security Git repo. See below.
24
252019-09-04:
26 - Heads-up notice to oss-security@lists.openwall.com,
27 exim-users@exim.org, and exim-announce@exim.org
28 about the upcoming security release
29
302019-09-06 10:00 UTC:
31 - Coordinated relase date
32 - Publish the patches in our official and public Git repositories
33 and the packages on our FTP/HTTP(S) server.
34
35Downloads
36=========
37
38The downloads mentioned below are accessible only for a limited set of SSH
39keys. At CRD they will be mirrored to the public repositories.
40(Note: the repo names changed from the recently used ones.)
41
42For release tarballs (exim-4.92.2):
43
44 git clone --depth 1 ssh://git@git.exim.org/exim-packages-security
45
46The package files are signed with my GPG key.
47
48For the full Git repo:
49
50 git clone ssh://git@exim.org/exim-security
51 - tag exim-4.92.2
52 - branch exim-4.92.2+fixes
53
54The tagged commit is the officially maintained version. The tag is signed
55with my GPG key. The +fixes branch isn't officially maintained, but
56contains useful patches *and* the security fix. The relevant commit
57is signed with my GPG key.
58
59If you need help backporting the patch, please contact us directly.