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| author | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2020-09-23 04:24:59 +0000 |
|---|---|---|
| committer | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2020-09-23 04:24:59 +0000 |
| commit | be4868783737aeb41ec84bb4d3739e4c8e9534cf (patch) | |
| tree | 2b932b3726886e1b92ba8689b30788f7c94b6971 /user/libetpan/CVE-2020-15953-a.patch | |
| parent | 203d76622b113543ee679925cb99d7e3f2ccbe05 (diff) | |
| download | packages-be4868783737aeb41ec84bb4d3739e4c8e9534cf.tar.gz packages-be4868783737aeb41ec84bb4d3739e4c8e9534cf.tar.bz2 packages-be4868783737aeb41ec84bb4d3739e4c8e9534cf.tar.xz packages-be4868783737aeb41ec84bb4d3739e4c8e9534cf.zip | |
user/libetpan: Patch CVE-2020-15953
Diffstat (limited to 'user/libetpan/CVE-2020-15953-a.patch')
| -rw-r--r-- | user/libetpan/CVE-2020-15953-a.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/user/libetpan/CVE-2020-15953-a.patch b/user/libetpan/CVE-2020-15953-a.patch new file mode 100644 index 000000000..1130e3a51 --- /dev/null +++ b/user/libetpan/CVE-2020-15953-a.patch @@ -0,0 +1,27 @@ +From 8ceb0cf0191f8b374a7f05974b29c6242ce8f752 Mon Sep 17 00:00:00 2001 +From: Damian Poddebniak <poddebniak@fh-muenster.de> +Date: Thu, 23 Jul 2020 19:24:45 +0200 +Subject: [PATCH] Detect extra data after STARTTLS response and exit + +--- + src/low-level/imap/mailimap.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/src/low-level/imap/mailimap.c b/src/low-level/imap/mailimap.c +index bb17119d..4ffcf55d 100644 +--- a/src/low-level/imap/mailimap.c ++++ b/src/low-level/imap/mailimap.c +@@ -2428,6 +2428,13 @@ int mailimap_starttls(mailimap * session) + + mailimap_response_free(response); + ++ // Detect if the server send extra data after the STARTTLS response. ++ // This *may* be a "response injection attack". ++ if (session->imap_stream->read_buffer_len != 0) { ++ // Since it is also an IMAP protocol violation, exit. ++ return MAILIMAP_ERROR_STARTTLS; ++ } ++ + switch (error_code) { + case MAILIMAP_RESP_COND_STATE_OK: + return MAILIMAP_NO_ERROR; |