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openssl: fix CVE-2014-0198 

A null pointer dereference bug was discovered in do_ssl3_write().
An attacker could possibly use this to cause OpenSSL to crash, resulting
in a denial of service.

https://access.redhat.com/security/cve/CVE-2014-0198

(From OE-Core rev: 4c58fe468790822fe48e0a570779979c831d0f10)

Signed-off-by: Maxin B. John <maxin.john@enea.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Maxin B. John 2014-05-19 16:13:04 +01:00 committed by Richard Purdie
parent 0a6f0dbf94
commit 1974599046
2 changed files with 25 additions and 1 deletions
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23
meta/recipes-connectivity/openssl/openssl-1.0.1e/openssl-CVE-2014-0198-fix.patch Normal file
View File

@ -0,0 +1,23 @@
Upstream-Status: Backport
Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1093837
CVE-2014-0198: An attacker can trigger generation of an SSL
alert which could cause a null pointer dereference.
Signed-off-by: Maxin B. John <maxin.john@enea.com>
---
diff -Naur openssl-1.0.1g-orig/ssl/s3_pkt.c openssl-1.0.1g/ssl/s3_pkt.c
--- openssl-1.0.1g-orig/ssl/s3_pkt.c 2014-03-17 17:14:20.000000000 +0100
+++ openssl-1.0.1g/ssl/s3_pkt.c 2014-05-06 02:32:43.862587660 +0200
@@ -657,6 +657,10 @@
if (i <= 0)
return(i);
/* if it went, fall through and send more stuff */
+ /* we may have released our buffer, so get it again */
+ if (wb->buf == NULL)
+ if (!ssl3_setup_write_buffer(s))
+ return -1;
}
if (len == 0 && !create_empty_fragment)

3
meta/recipes-connectivity/openssl/openssl_1.0.1e.bb
View File

@ -6,7 +6,7 @@ DEPENDS += "ocf-linux"
CFLAG += "-DHAVE_CRYPTODEV -DUSE_CRYPTODEV_DIGESTS"
PR = "${INC_PR}.1"
PR = "${INC_PR}.2"
LIC_FILES_CHKSUM = "file://LICENSE;md5=f9a8f968107345e0b75aa8c2ecaa7ec8"
@ -38,6 +38,7 @@ SRC_URI += "file://configure-targets.patch \
file://0001-Fix-DTLS-retransmission-from-previous-session.patch \
file://0001-Use-version-in-SSL_METHOD-not-SSL-structure.patch \
file://CVE-2014-0160.patch \
file://openssl-CVE-2014-0198-fix.patch \
"
SRC_URI[md5sum] = "66bf6f10f060d561929de96f9dfe5b8c"