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commit: e7434ec7eeb4b4be5cd53cebba9576f940b076e9 |
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Author: Fabian Groffen <grobian <AT> gentoo <DOT> org> |
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AuthorDate: Wed Nov 29 08:50:07 2017 +0000 |
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Commit: Fabian Groffen <grobian <AT> gentoo <DOT> org> |
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CommitDate: Wed Nov 29 08:50:07 2017 +0000 |
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URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=e7434ec7 |
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|
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mail-mta/exim: add patch for CVE-2017-16944, bug #638772 |
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|
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Original patch is slightly adjusted to the 4.98 codebase in order to |
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apply. |
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|
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Bug: https://bugs.gentoo.org/638772 |
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Package-Manager: Portage-2.3.13, Repoman-2.3.3 |
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|
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.../{exim-4.89-r4.ebuild => exim-4.89-r5.ebuild} | 1 + |
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mail-mta/exim/files/exim-4.89-CVE-2017-16944.patch | 57 ++++++++++++++++++++++ |
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2 files changed, 58 insertions(+) |
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|
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diff --git a/mail-mta/exim/exim-4.89-r4.ebuild b/mail-mta/exim/exim-4.89-r5.ebuild |
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similarity index 99% |
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rename from mail-mta/exim/exim-4.89-r4.ebuild |
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rename to mail-mta/exim/exim-4.89-r5.ebuild |
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index 14b6181d4cb..c6da0e48afc 100644 |
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--- a/mail-mta/exim/exim-4.89-r4.ebuild |
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+++ b/mail-mta/exim/exim-4.89-r5.ebuild |
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@@ -98,6 +98,7 @@ src_prepare() { |
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epatch "${FILESDIR}"/${P}-transport-crash.patch # from git/in next release |
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epatch "${FILESDIR}"/${P}-address-expando-crash.patch # from git/in next release |
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epatch "${FILESDIR}"/${P}-CVE-2017-16943.patch # from git/in next release |
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+ epatch "${FILESDIR}"/${P}-CVE-2017-16944.patch # from git/in next release |
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|
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if use maildir ; then |
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epatch "${FILESDIR}"/exim-4.20-maildir.patch |
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|
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diff --git a/mail-mta/exim/files/exim-4.89-CVE-2017-16944.patch b/mail-mta/exim/files/exim-4.89-CVE-2017-16944.patch |
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new file mode 100644 |
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index 00000000000..285a6170aa8 |
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--- /dev/null |
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+++ b/mail-mta/exim/files/exim-4.89-CVE-2017-16944.patch |
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@@ -0,0 +1,57 @@ |
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+From 178ecb70987f024f0e775d87c2f8b2cf587dd542 Mon Sep 17 00:00:00 2001 |
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+From: "Heiko Schlittermann (HS12-RIPE)" <hs@×××××××××××××.de> |
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+Date: Mon, 27 Nov 2017 22:42:33 +0100 |
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+Subject: [PATCH] Chunking: do not treat the first lonely dot special. |
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+ CVE-2017-16944, Bug 2201 |
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+ |
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+Modified to apply on 4.89-gentoo |
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+ |
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+--- |
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+ src/src/receive.c | 2 +- |
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+ src/src/smtp_in.c | 7 +++++++ |
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+ 2 files changed, 8 insertions(+), 1 deletion(-) |
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+ |
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+diff --git a/src/src/receive.c b/src/src/receive.c |
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+index 541eba1..417e975 100644 |
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+--- a/src/src/receive.c |
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++++ b/src/src/receive.c |
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+@@ -1865,7 +1865,7 @@ for (;;) |
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+ prevent further reading), and break out of the loop, having freed the |
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+ empty header, and set next = NULL to indicate no data line. */ |
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+ |
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+- if (ptr == 0 && ch == '.' && (smtp_input || dot_ends)) |
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++ if (ptr == 0 && ch == '.' && dot_ends) |
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+ { |
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+ ch = (receive_getc)(GETC_BUFFER_UNLIMITED); |
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+ if (ch == '\r') |
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+diff --git a/src/src/smtp_in.c b/src/src/smtp_in.c |
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+index 1fdb705..0aabc53 100644 |
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+--- a/src/src/smtp_in.c |
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++++ b/src/src/smtp_in.c |
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+@@ -5094,16 +5094,23 @@ while (done <= 0) |
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+ DEBUG(D_receive) debug_printf("chunking state %d, %d bytes\n", |
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+ (int)chunking_state, chunking_data_left); |
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+ |
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++ /* push the current receive_* function on the "stack", and |
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++ replace them by bdat_getc(), which in turn will use the lwr_receive_* |
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++ functions to do the dirty work. */ |
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+ lwr_receive_getc = receive_getc; |
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+ lwr_receive_ungetc = receive_ungetc; |
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++ |
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+ receive_getc = bdat_getc; |
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+ receive_ungetc = bdat_ungetc; |
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+ |
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++ dot_ends = FALSE; |
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++ |
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+ goto DATA_BDAT; |
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+ } |
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+ |
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+ case DATA_CMD: |
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+ HAD(SCH_DATA); |
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++ dot_ends = TRUE; |
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+ |
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+ DATA_BDAT: /* Common code for DATA and BDAT */ |
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+ if (!discarded && recipients_count <= 0) |
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+-- |
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+1.9.1 |
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+ |