diff options
author | Phil Pennock <phil+git@pennock-tech.com> | 2020-10-29 20:42:40 -0400 |
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committer | Heiko Schlittermann (HS12-RIPE) <hs@schlittermann.de> | 2021-05-27 21:30:26 +0200 |
commit | bafc62583bc4ded96e3a66d2fb98c9d7afaa8768 (patch) | |
tree | 1401d75e39c1d99803cf6ebe313470a1a5205073 | |
parent | cb08e2f59f2166660abc998a0554e64c61d4a0f5 (diff) |
SECURITY: fix Qualys CVE-2020-PFPZA
(cherry picked from commit 29d7a8c25f182c91d5d30f124f9e296dce5c018e)
(cherry picked from commit 0a6a7a3fd8464bae9ce0cf889e8eeb0bf0bab756)
-rw-r--r-- | doc/doc-txt/ChangeLog | 3 | ||||
-rw-r--r-- | src/src/parse.c | 5 |
2 files changed, 8 insertions, 0 deletions
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index 07fba9c23..95b95e794 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -273,6 +273,9 @@ PP/05 Fix security issue CVE-2020-PFPSN and guard against cmdline invoker providing a particularly obnoxious sender full name. Reported by Qualys. +pp/06 Fix CVE-2020-28016 (PFPZA): Heap out-of-bounds write in parse_fix_phrase() + + Exim version 4.94 ----------------- diff --git a/src/src/parse.c b/src/src/parse.c index 7dfb9a7eb..8d689e88a 100644 --- a/src/src/parse.c +++ b/src/src/parse.c @@ -984,6 +984,11 @@ if (i < len) /* No non-printers; use the RFC 822 quoting rules */ +if (!len) + { + return string_copy_taint_function("", is_tainted(phrase)); + } + buffer = store_get(len*4, is_tainted(phrase)); s = phrase; |