mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-28 09:53:10 +00:00
4f4eebbded
CVE-2012-4409, CVE-2012-4426, CVE-2012-4527 Patches taken from https://gitweb.gentoo.org/repo/gentoo.git/tree/app-crypt/mcrypt/files
40 lines
1.3 KiB
Diff
40 lines
1.3 KiB
Diff
From 5bee29fae8f0e936ad4c957aef6035d09532a57a Mon Sep 17 00:00:00 2001
|
|
From: Alon Bar-Lev <alon.barlev@gmail.com>
|
|
Date: Sat, 22 Dec 2012 22:04:27 +0200
|
|
Subject: [PATCH] cleanup: fixup segv on buffer access
|
|
|
|
use exact buffer size instead of guess.
|
|
|
|
do not copy out of source buffer.
|
|
|
|
Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
|
|
---
|
|
mcrypt-2.6.8/src/rfc2440.c | 5 +++--
|
|
1 files changed, 3 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/mcrypt-2.6.8/src/rfc2440.c b/mcrypt-2.6.8/src/rfc2440.c
|
|
index 5a1f296..929b9ab 100644
|
|
--- a/src/rfc2440.c
|
|
+++ b/src/rfc2440.c
|
|
@@ -497,7 +497,7 @@ plaintext_encode(const USTRING dat)
|
|
time_t t;
|
|
|
|
assert(dat->len > 0);
|
|
- result = make_ustring( NULL, 2 * dat->len); /* xxx */
|
|
+ result = make_ustring( NULL, dat->len + 12); /* xxx */
|
|
newdat = (USTRING)dat;
|
|
result->d[pos++] = (0x80 | 0x40 | PKT_PLAINTEXT);
|
|
|
|
@@ -810,7 +810,8 @@ encrypted_encode(const USTRING pt, const DEK *dek)
|
|
_mcrypt_encrypt(dek->hd, rndpref, dek->blocklen + 2, NULL, 0);
|
|
_mcrypt_sync(dek->hd, rndpref, dek->blocklen);
|
|
|
|
- ct = make_ustring( rndpref, 2 * pt->len); /* xxx */
|
|
+ ct = make_ustring( NULL, dek->blocklen + 2 + pt->len + 12); /* xxx */
|
|
+ memcpy(ct->d, rndpref, dek->blocklen + 2);
|
|
pos = dek->blocklen + 2;
|
|
|
|
_mcrypt_encrypt(dek->hd, ct->d + pos, pt->len, pt->d, pt->len);
|
|
--
|
|
1.7.8.6
|