[Buildroot] [PATCH] polarssl: add fix for CVE-2015-1182

Gustavo Zacarias gustavo at zacarias.com.ar
Mon Jan 26 20:29:17 UTC 2015


Fixes CVE-2015-1182 - Remote attack using crafted certificates.
Also rename patches to new naming convention.

Signed-off-by: Gustavo Zacarias <gustavo at zacarias.com.ar>
---
 ...1-no-test-suite.patch => 0001-no-test-suite.patch} |  0
 ...-the-standard-CMake-flag-to-drive-the-share.patch} |  0
 package/polarssl/0003-fix-CVE-2015-1182.patch         | 19 +++++++++++++++++++
 3 files changed, 19 insertions(+)
 rename package/polarssl/{polarssl-0001-no-test-suite.patch => 0001-no-test-suite.patch} (100%)
 rename package/polarssl/{polarssl-0002-cmake-use-the-standard-CMake-flag-to-drive-the-share.patch => 0002-cmake-use-the-standard-CMake-flag-to-drive-the-share.patch} (100%)
 create mode 100644 package/polarssl/0003-fix-CVE-2015-1182.patch

diff --git a/package/polarssl/polarssl-0001-no-test-suite.patch b/package/polarssl/0001-no-test-suite.patch
similarity index 100%
rename from package/polarssl/polarssl-0001-no-test-suite.patch
rename to package/polarssl/0001-no-test-suite.patch
diff --git a/package/polarssl/polarssl-0002-cmake-use-the-standard-CMake-flag-to-drive-the-share.patch b/package/polarssl/0002-cmake-use-the-standard-CMake-flag-to-drive-the-share.patch
similarity index 100%
rename from package/polarssl/polarssl-0002-cmake-use-the-standard-CMake-flag-to-drive-the-share.patch
rename to package/polarssl/0002-cmake-use-the-standard-CMake-flag-to-drive-the-share.patch
diff --git a/package/polarssl/0003-fix-CVE-2015-1182.patch b/package/polarssl/0003-fix-CVE-2015-1182.patch
new file mode 100644
index 0000000..9309c9d
--- /dev/null
+++ b/package/polarssl/0003-fix-CVE-2015-1182.patch
@@ -0,0 +1,19 @@
+Fix CVE-2015-1182 - Remote attack using crafted certificates.
+Patch status: from upstream see:
+https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2014-04
+
+Signed-off-by: Gustavo Zacarias <gustavo at zacarias.com.ar>
+
+diff --git a/library/asn1parse.c b/library/asn1parse.c
+index a3a2b56..e2117bf 100644
+--- a/library/asn1parse.c
++++ b/library/asn1parse.c
+@@ -278,6 +278,8 @@ int asn1_get_sequence_of( unsigned char **p,
+             if( cur->next == NULL )
+                 return( POLARSSL_ERR_ASN1_MALLOC_FAILED );
+
++            memset( cur->next, 0, sizeof( asn1_sequence ) );
++
+             cur = cur->next;
+         }
+     }
-- 
2.0.5



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