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gnu: libevent: Update to 2.1.8 [security fixes].

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* gnu/packages/libevent.scm (libevent): Update to 2.1.8.
[inputs]: Change 'python-wrapper' to 'python-2'. Move 'which' to ...
[native-inputs]: ... here. New field.
(libevent-2.0): New variable.
* gnu/packages/patches/libevent-2.1-dns-tests.patch,
  gnu/packages/patches/libevent-2.0-evdns-fix-remote-stack-overread.patch
  gnu/packages/patches/libevent-2.0-evdns-fix-searching-empty-hostnames.patch
  gnu/packages/patches/libevent-2.0-evutil-fix-buffer-overflow.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/gnuzilla.scm (icecat)[inputs]: Change 'libevent' to 'libevent-2.0'.
This commit is contained in:
Marius Bakke 2017-01-30 20:26:55 +01:00
parent f1a892c96f
commit e8fc1a0dcf
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7 changed files with 180 additions and 7 deletions
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40
gnu/packages/patches/libevent-2.0-evdns-fix-searching-empty-hostnames.patch Normal file
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@ -0,0 +1,40 @@
Fix OOB read on empty hostnames in evdns.
Upstream bug report:
https://github.com/libevent/libevent/issues/332
Patch copied from upstream source repository:
https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e
From a0305cec166a5bc89f1eb362510cc4cd25ecc0bc Mon Sep 17 00:00:00 2001
From: Azat Khuzhin <a3at.mail@gmail.com>
Date: Fri, 25 Mar 2016 00:33:47 +0300
Subject: [PATCH] evdns: fix searching empty hostnames
---
evdns.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/evdns.c b/evdns.c
index 137c24ea..6191c677 100644
--- a/evdns.c
+++ b/evdns.c
@@ -3122,9 +3122,12 @@ search_set_from_hostname(struct evdns_base *base) {
static char *
search_make_new(const struct search_state *const state, int n, const char *const base_name) {
const size_t base_len = strlen(base_name);
- const char need_to_append_dot = base_name[base_len - 1] == '.' ? 0 : 1;
+ char need_to_append_dot;
struct search_domain *dom;
+ if (!base_len) return NULL;
+ need_to_append_dot = base_name[base_len - 1] == '.' ? 0 : 1;
+
for (dom = state->head; dom; dom = dom->next) {
if (!n--) {
/* this is the postfix we want */
--
2.11.0