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SUSE:SLE-12-SP2:GA
compat-openssl098.25191
CVE-2021-3712-other-ASN1_STRING-issues.patch
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File CVE-2021-3712-other-ASN1_STRING-issues.patch of Package compat-openssl098.25191
diff --git a/crypto/asn1/t_spki.c b/crypto/asn1/t_spki.c index a73369b..57c47e4 100644 --- a/crypto/asn1/t_spki.c +++ b/crypto/asn1/t_spki.c @@ -114,7 +114,7 @@ int NETSCAPE_SPKI_print(BIO *out, NETSCAPE_SPKI *spki) } chal = spki->spkac->challenge; if(chal->length) - BIO_printf(out, " Challenge String: %s\n", chal->data); + BIO_printf(out, " Challenge String: %.*s\n", chal->length, chal->data); i=OBJ_obj2nid(spki->sig_algor->algorithm); BIO_printf(out," Signature Algorithm: %s", (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)); diff --git a/crypto/ec/ec_asn1.c b/crypto/ec/ec_asn1.c index 0ef2cee..a583093 100644 --- a/crypto/ec/ec_asn1.c +++ b/crypto/ec/ec_asn1.c @@ -922,7 +922,10 @@ static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *params) ret->seed_len = params->curve->seed->length; } - if (!params->order || !params->base || !params->base->data) + if (params->order == NULL + || params->base == NULL + || params->base->data == NULL + || params->base->length == 0) { ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_ASN1_ERROR); goto err; diff --git a/crypto/x509v3/v3_akey.c b/crypto/x509v3/v3_akey.c index c6b68ee..3666954 100644 --- a/crypto/x509v3/v3_akey.c +++ b/crypto/x509v3/v3_akey.c @@ -83,21 +83,49 @@ const X509V3_EXT_METHOD v3_akey_id = static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist) { - char *tmp; + char *tmp = NULL; + STACK_OF(CONF_VALUE) *origextlist = extlist, *tmpextlist; + if(akeyid->keyid) { tmp = hex_to_string(akeyid->keyid->data, akeyid->keyid->length); - X509V3_add_value("keyid", tmp, &extlist); + if (tmp == NULL) { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, ERR_R_MALLOC_FAILURE); + return NULL; + } + if (!X509V3_add_value("keyid", tmp, &extlist)) { + OPENSSL_free(tmp); + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, ERR_R_X509_LIB); + goto err; + } OPENSSL_free(tmp); } - if(akeyid->issuer) - extlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist); + if (akeyid->issuer) { + tmpextlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist); + if (tmpextlist == NULL) { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, ERR_R_X509_LIB); + goto err; + } + extlist = tmpextlist; + } if(akeyid->serial) { tmp = hex_to_string(akeyid->serial->data, akeyid->serial->length); - X509V3_add_value("serial", tmp, &extlist); + if (tmp == NULL) { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, ERR_R_MALLOC_FAILURE); + goto err; + } + if (!X509V3_add_value("serial", tmp, &extlist)) { + OPENSSL_free(tmp); + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID, ERR_R_X509_LIB); + goto err; + } OPENSSL_free(tmp); } return extlist; + err: + if (origextlist == NULL) + sk_CONF_VALUE_pop_free(extlist, X509V3_conf_free); + return NULL; } /* Currently two options: diff --git a/crypto/x509v3/v3_alt.c b/crypto/x509v3/v3_alt.c index 58b2952..52cb573 100644 --- a/crypto/x509v3/v3_alt.c +++ b/crypto/x509v3/v3_alt.c @@ -58,6 +58,7 @@ #include <stdio.h> #include "cryptlib.h" +#include <openssl/x509.h> #include <openssl/conf.h> #include <openssl/x509v3.h> @@ -118,15 +119,18 @@ STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method, break; case GEN_EMAIL: - X509V3_add_value_uchar("email",gen->d.ia5->data, &ret); + x509v3_add_len_value_uchar("email", gen->d.ia5->data, + gen->d.ia5->length, &ret); break; case GEN_DNS: - X509V3_add_value_uchar("DNS",gen->d.ia5->data, &ret); + x509v3_add_len_value_uchar("DNS", gen->d.ia5->data, + gen->d.ia5->length, &ret); break; case GEN_URI: - X509V3_add_value_uchar("URI",gen->d.ia5->data, &ret); + x509v3_add_len_value_uchar("URI", gen->d.ia5->data, + gen->d.ia5->length, &ret); break; case GEN_DIRNAME: diff --git a/crypto/x509v3/v3_cpols.c b/crypto/x509v3/v3_cpols.c index a58e4f1..bfe8d4d 100644 --- a/crypto/x509v3/v3_cpols.c +++ b/crypto/x509v3/v3_cpols.c @@ -385,8 +385,9 @@ static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals, switch(OBJ_obj2nid(qualinfo->pqualid)) { case NID_id_qt_cps: - BIO_printf(out, "%*sCPS: %s\n", indent, "", - qualinfo->d.cpsuri->data); + BIO_printf(out, "%*sCPS: %.*s\n", indent, "", + qualinfo->d.cpsuri->length, + qualinfo->d.cpsuri->data); break; case NID_id_qt_unotice: @@ -411,8 +412,9 @@ static void print_notice(BIO *out, USERNOTICE *notice, int indent) if(notice->noticeref) { NOTICEREF *ref; ref = notice->noticeref; - BIO_printf(out, "%*sOrganization: %s\n", indent, "", - ref->organization->data); + BIO_printf(out, "%*sOrganization: %.*s\n", indent, "", + ref->organization->length, + ref->organization->data); BIO_printf(out, "%*sNumber%s: ", indent, "", sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : ""); for(i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) { @@ -429,8 +431,9 @@ static void print_notice(BIO *out, USERNOTICE *notice, int indent) BIO_puts(out, "\n"); } if(notice->exptext) - BIO_printf(out, "%*sExplicit Text: %s\n", indent, "", - notice->exptext->data); + BIO_printf(out, "%*sExplicit Text: %.*s\n", indent, "", + notice->exptext->length, + notice->exptext->data); } void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent) diff --git a/crypto/x509v3/v3_pci.c b/crypto/x509v3/v3_pci.c index 601211f..1c16534 100644 --- a/crypto/x509v3/v3_pci.c +++ b/crypto/x509v3/v3_pci.c @@ -67,8 +67,9 @@ static int i2r_pci(X509V3_EXT_METHOD *method, PROXY_CERT_INFO_EXTENSION *pci, i2a_ASN1_OBJECT(out, pci->proxyPolicy->policyLanguage); BIO_puts(out, "\n"); if (pci->proxyPolicy->policy && pci->proxyPolicy->policy->data) - BIO_printf(out, "%*sPolicy Text: %s\n", indent, "", - pci->proxyPolicy->policy->data); + BIO_printf(out, "%*sPolicy Text: %.*s\n", indent, "", + pci->proxyPolicy->policy->length, + pci->proxyPolicy->policy->data); return 1; } diff --git a/crypto/x509v3/v3_utl.c b/crypto/x509v3/v3_utl.c index a4236bb..f1ed508 100644 --- a/crypto/x509v3/v3_utl.c +++ b/crypto/x509v3/v3_utl.c @@ -63,6 +63,7 @@ #include "cryptlib.h" #include <openssl/conf.h> #include <openssl/x509v3.h> +#include <string.h> #include <openssl/bn.h> static char *strip_spaces(char *name); @@ -78,13 +79,24 @@ static int ipv6_hex(unsigned char *out, const char *in, int inlen); /* Add a CONF_VALUE name value pair to stack */ -int X509V3_add_value(const char *name, const char *value, - STACK_OF(CONF_VALUE) **extlist) +static int x509v3_add_len_value(const char *name, const char *value, + size_t vallen, STACK_OF(CONF_VALUE) **extlist) { CONF_VALUE *vtmp = NULL; char *tname = NULL, *tvalue = NULL; - if(name && !(tname = BUF_strdup(name))) goto err; - if(value && !(tvalue = BUF_strdup(value))) goto err;; + if (name != NULL && (tname = BUF_strdup(name)) == NULL) + goto err; + if (value != NULL && vallen > 0) { + /* + * We tolerate a single trailing NUL character, but otherwise no + * embedded NULs + */ + if (memchr(value, 0, vallen - 1) != NULL) + goto err; + tvalue = BUF_strndup(value, vallen); + if (tvalue == NULL) + goto err; + } if(!(vtmp = (CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE)))) goto err; if(!*extlist && !(*extlist = sk_CONF_VALUE_new_null())) goto err; vtmp->section = NULL; @@ -100,10 +112,26 @@ int X509V3_add_value(const char *name, const char *value, return 0; } +int X509V3_add_value(const char *name, const char *value, + STACK_OF(CONF_VALUE) **extlist) +{ + return x509v3_add_len_value(name, value, + value != NULL ? strlen((const char *)value) : 0, + extlist); +} + int X509V3_add_value_uchar(const char *name, const unsigned char *value, STACK_OF(CONF_VALUE) **extlist) { - return X509V3_add_value(name,(const char *)value,extlist); + return x509v3_add_len_value(name, (const char *)value, + value != NULL ? strlen((const char *)value) : 0, + extlist); +} + +int x509v3_add_len_value_uchar(const char *name, const unsigned char *value, + size_t vallen, STACK_OF(CONF_VALUE) **extlist) +{ + return x509v3_add_len_value(name, (const char *)value, vallen, extlist); } /* Free function for STACK_OF(CONF_VALUE) */ @@ -546,13 +574,23 @@ static int append_ia5(STACK **sk, ASN1_IA5STRING *email) char *emtmp; /* First some sanity checks */ if(email->type != V_ASN1_IA5STRING) return 1; - if(!email->data || !email->length) return 1; + if (email->data == NULL || email->length == 0) + return 1; + if (memchr(email->data, 0, email->length) != NULL) + return 1; if(!*sk) *sk = sk_new(sk_strcmp); if(!*sk) return 0; + + emtmp = BUF_strndup((char *)email->data, email->length); + if (emtmp == NULL) + return 0; + /* Don't add duplicates */ - if(sk_find(*sk, (char *)email->data) != -1) return 1; - emtmp = BUF_strdup((char *)email->data); - if(!emtmp || !sk_push(*sk, emtmp)) { + if (sk_find(*sk, emtmp) != -1) { + OPENSSL_free(emtmp); + return 1; + } + if (!sk_push(*sk, emtmp)) { X509_email_free(*sk); *sk = NULL; return 0; diff --git a/crypto/x509v3/x509v3.h b/crypto/x509v3/x509v3.h index 9ef83da..2b60214 100644 --- a/crypto/x509v3/x509v3.h +++ b/crypto/x509v3/x509v3.h @@ -627,6 +627,9 @@ int a2i_ipadd(unsigned char *ipout, const char *ipasc); int X509V3_NAME_from_section(X509_NAME *nm, STACK_OF(CONF_VALUE)*dn_sk, unsigned long chtype); +int x509v3_add_len_value_uchar(const char *name, const unsigned char *value, + size_t vallen, STACK_OF(CONF_VALUE) **extlist); + void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent); #ifndef OPENSSL_NO_RFC3779
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