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SUSE:SLE-12-SP1:GA
compat-openssl098.2467
openssl-CVE-2016-2108.patch
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File openssl-CVE-2016-2108.patch of Package compat-openssl098.2467
From c5e4bc81c5a142cab7f46f69824fa35367999ee8 Mon Sep 17 00:00:00 2001 From: Dr. Stephen Henson <steve@openssl.org> Date: Fri, 15 Apr 2016 02:37:09 +0100 Subject: [PATCH] Fix ASN1_INTEGER handling. Only treat an ASN1_ANY type as an integer if it has the V_ASN1_INTEGER tag: V_ASN1_NEG_INTEGER is an internal only value which is never used for on the wire encoding. Thanks to David Benjamin <davidben@google.com> for reporting this bug. This was found using libFuzzer. RT#4364 (part)CVE-2016-2108. --- crypto/asn1/a_type.c | 2 -- crypto/asn1/tasn_dec.c | 2 -- crypto/asn1/tasn_enc.c | 2 -- 3 files changed, 0 insertions(+), 6 deletions(-) Index: openssl-0.9.8j/crypto/asn1/a_type.c =================================================================== --- openssl-0.9.8j.orig/crypto/asn1/a_type.c 2016-04-29 13:11:45.456653411 +0200 +++ openssl-0.9.8j/crypto/asn1/a_type.c 2016-04-29 13:11:45.619655927 +0200 @@ -128,9 +128,7 @@ int ASN1_TYPE_cmp(const ASN1_TYPE *a, co result = 0; /* They do not have content. */ break; case V_ASN1_INTEGER: - case V_ASN1_NEG_INTEGER: case V_ASN1_ENUMERATED: - case V_ASN1_NEG_ENUMERATED: case V_ASN1_BIT_STRING: case V_ASN1_OCTET_STRING: case V_ASN1_SEQUENCE: Index: openssl-0.9.8j/crypto/asn1/tasn_dec.c =================================================================== --- openssl-0.9.8j.orig/crypto/asn1/tasn_dec.c 2016-04-29 13:11:45.577655278 +0200 +++ openssl-0.9.8j/crypto/asn1/tasn_dec.c 2016-04-29 13:11:45.620655942 +0200 @@ -1003,9 +1003,7 @@ int asn1_ex_c2i(ASN1_VALUE **pval, const break; case V_ASN1_INTEGER: - case V_ASN1_NEG_INTEGER: case V_ASN1_ENUMERATED: - case V_ASN1_NEG_ENUMERATED: tint = (ASN1_INTEGER **)pval; if (!c2i_ASN1_INTEGER(tint, &cont, len)) goto err; Index: openssl-0.9.8j/crypto/asn1/tasn_enc.c =================================================================== --- openssl-0.9.8j.orig/crypto/asn1/tasn_enc.c 2008-11-05 19:36:38.000000000 +0100 +++ openssl-0.9.8j/crypto/asn1/tasn_enc.c 2016-04-29 13:11:45.620655942 +0200 @@ -637,9 +637,7 @@ int asn1_ex_i2c(ASN1_VALUE **pval, unsig break; case V_ASN1_INTEGER: - case V_ASN1_NEG_INTEGER: case V_ASN1_ENUMERATED: - case V_ASN1_NEG_ENUMERATED: /* These are all have the same content format * as ASN1_INTEGER */
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