openssl: fix CVE-2014-0198
PATCH 1/1 openssl: fix CVE-2014-0198
From: "Maxin B. John" <[email protected]>
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
Signed-off-by Maxin B. John <[email protected]>
--- .../openssl/openssl-CVE-2014-0198-fix.patch | 23 ++++++++++++++++++++ .../recipes-connectivity/openssl/openssl_1.0.1g.bb | 1 + 2 files changed, 24 insertions(+) create mode 100644 meta/recipes-connectivity/openssl/openssl/openssl-CVE-2014-0198-fix.patch
meta/recipes-connectivity/openssl/openssl/openssl-CVE-2014-0198-fix.patch new file +23 -0
@@ -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 <[email protected]> +--- +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)
meta/recipes-connectivity/openssl/openssl_1.0.1g.bb +1 -0
@@ -34,6 +34,7 @@ SRC_URI += "file://configure-targets.patch \ file://initial-aarch64-bits.patch \ file://find.pl \ file://openssl-fix-des.pod-error.patch \ + file://openssl-CVE-2014-0198-fix.patch \ file://Makefiles-ptest.patch \ file://run-ptest \ "
Signature · 1 line
1.7.10.4