d99d49a007
- Update to 1.1.0h
OpenSSL Security Advisory [27 Mar 2018]
* Constructed ASN.1 types with a recursive definition could exceed
the stack (CVE-2018-0739) (bsc#1087102)
* rsaz_1024_mul_avx2 overflow bug on x86_64 (CVE-2017-3738)
(bsc#1071906)
- refresh patches:
* 0001-Axe-builtin-printf-implementation-use-glibc-instead.patch
* openssl-1.1.0-fips.patch
* openssl-pkgconfig.patch
* openssl-rsakeygen-minimum-distance.patch
* openssl-static-deps.patch
OBS-URL: https://build.opensuse.org/request/show/591684
OBS-URL: https://build.opensuse.org/package/show/security:tls/openssl-1_1?expand=0&rev=7
48 lines
1.7 KiB
Diff
48 lines
1.7 KiB
Diff
Index: openssl-1.1.0h/crypto/rsa/rsa_gen.c
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===================================================================
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--- openssl-1.1.0h.orig/crypto/rsa/rsa_gen.c 2018-03-27 16:34:44.709128590 +0200
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+++ openssl-1.1.0h/crypto/rsa/rsa_gen.c 2018-03-27 16:34:44.753129312 +0200
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@@ -420,6 +420,19 @@ static int rsa_builtin_keygen(RSA *rsa,
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bitsp = (bits + 1) / 2;
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bitsq = bits - bitsp;
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+ /* prepare a maximum for p and q */
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+ /* 0xB504F334 is (sqrt(2)/2)*2^32 */
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+ if (!BN_set_word(r0, 0xB504F334))
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+ goto err;
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+ if (!BN_lshift(r0, r0, bitsp - 32))
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+ goto err;
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+
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+ /* prepare minimum p and q difference */
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+ if (!BN_one(r3))
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+ goto err;
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+ if (!BN_lshift(r3, r3, bitsp - 100))
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+ goto err;
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+
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/* We need the RSA components non-NULL */
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if (!rsa->n && ((rsa->n = BN_new()) == NULL))
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goto err;
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@@ -446,6 +459,8 @@ static int rsa_builtin_keygen(RSA *rsa,
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for (;;) {
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if (!BN_generate_prime_ex(rsa->p, bitsp, 0, NULL, NULL, cb))
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goto err;
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+ if (BN_cmp(rsa->p, r0) < 0)
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+ continue;
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if (!BN_sub(r2, rsa->p, BN_value_one()))
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goto err;
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ERR_set_mark();
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@@ -471,6 +486,13 @@ static int rsa_builtin_keygen(RSA *rsa,
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if (!BN_generate_prime_ex(rsa->q, bitsq, 0, NULL, NULL, cb))
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goto err;
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} while (BN_cmp(rsa->p, rsa->q) == 0);
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+ if (BN_cmp(rsa->q, r0) < 0)
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+ continue;
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+ /* check for minimum distance between p and q, 2^(bitsp-100) */
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+ if (!BN_sub(r2, rsa->q, rsa->p))
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+ goto err;
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+ if (BN_ucmp(r2, r3) <= 0)
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+ continue;
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if (!BN_sub(r2, rsa->q, BN_value_one()))
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goto err;
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ERR_set_mark();
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