diff options
Diffstat (limited to 'app-crypt/mit-krb5/files/CVE-2020-28196.patch')
-rw-r--r-- | app-crypt/mit-krb5/files/CVE-2020-28196.patch | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/app-crypt/mit-krb5/files/CVE-2020-28196.patch b/app-crypt/mit-krb5/files/CVE-2020-28196.patch deleted file mode 100644 index 486078437e89..000000000000 --- a/app-crypt/mit-krb5/files/CVE-2020-28196.patch +++ /dev/null @@ -1,71 +0,0 @@ -diff --git a/src/lib/krb5/asn.1/asn1_encode.c b/src/lib/krb5/asn.1/asn1_encode.c -index a160cf4fe8..cd6b879f77 100644 ---- a/lib/krb5/asn.1/asn1_encode.c -+++ b/lib/krb5/asn.1/asn1_encode.c -@@ -356,7 +356,7 @@ make_tag(asn1buf *buf, const taginfo *t, size_t len) - static krb5_error_code - get_tag(const uint8_t *asn1, size_t len, taginfo *tag_out, - const uint8_t **contents_out, size_t *clen_out, -- const uint8_t **remainder_out, size_t *rlen_out) -+ const uint8_t **remainder_out, size_t *rlen_out, int recursion) - { - krb5_error_code ret; - uint8_t o; -@@ -394,9 +394,11 @@ get_tag(const uint8_t *asn1, size_t len, taginfo *tag_out, - /* Indefinite form (should not be present in DER, but we accept it). */ - if (tag_out->construction != CONSTRUCTED) - return ASN1_MISMATCH_INDEF; -+ if (recursion >= 32) -+ return ASN1_OVERFLOW; - p = asn1; - while (!(len >= 2 && p[0] == 0 && p[1] == 0)) { -- ret = get_tag(p, len, &t, &c, &clen, &p, &len); -+ ret = get_tag(p, len, &t, &c, &clen, &p, &len, recursion + 1); - if (ret) - return ret; - } -@@ -613,7 +615,7 @@ split_der(asn1buf *buf, uint8_t *const *der, size_t len, taginfo *tag_out) - const uint8_t *contents, *remainder; - size_t clen, rlen; - -- ret = get_tag(*der, len, tag_out, &contents, &clen, &remainder, &rlen); -+ ret = get_tag(*der, len, tag_out, &contents, &clen, &remainder, &rlen, 0); - if (ret) - return ret; - if (rlen != 0) -@@ -1199,7 +1201,7 @@ decode_atype(const taginfo *t, const uint8_t *asn1, size_t len, - const uint8_t *rem; - size_t rlen; - if (!tag->implicit) { -- ret = get_tag(asn1, len, &inner_tag, &asn1, &len, &rem, &rlen); -+ ret = get_tag(asn1, len, &inner_tag, &asn1, &len, &rem, &rlen, 0); - if (ret) - return ret; - /* Note: we don't check rlen (it should be 0). */ -@@ -1420,7 +1422,7 @@ decode_sequence(const uint8_t *asn1, size_t len, const struct seq_info *seq, - for (i = 0; i < seq->n_fields; i++) { - if (len == 0) - break; -- ret = get_tag(asn1, len, &t, &contents, &clen, &asn1, &len); -+ ret = get_tag(asn1, len, &t, &contents, &clen, &asn1, &len, 0); - if (ret) - goto error; - /* -@@ -1478,7 +1480,7 @@ decode_sequence_of(const uint8_t *asn1, size_t len, - *seq_out = NULL; - *count_out = 0; - while (len > 0) { -- ret = get_tag(asn1, len, &t, &contents, &clen, &asn1, &len); -+ ret = get_tag(asn1, len, &t, &contents, &clen, &asn1, &len, 0); - if (ret) - goto error; - if (!check_atype_tag(elemtype, &t)) { -@@ -1584,7 +1586,7 @@ k5_asn1_full_decode(const krb5_data *code, const struct atype_info *a, - - *retrep = NULL; - ret = get_tag((uint8_t *)code->data, code->length, &t, &contents, -- &clen, &remainder, &rlen); -+ &clen, &remainder, &rlen, 0); - if (ret) - return ret; - /* rlen should be 0, but we don't check it (and due to padding in |