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| author | Mark H Weaver <mhw@netris.org> | 2017-08-06 00:01:10 -0400 |
|---|---|---|
| committer | Mark H Weaver <mhw@netris.org> | 2017-08-06 00:21:09 -0400 |
| commit | e3df6938acc2ba2d2f7333d911b8bdc3697f0f75 (patch) | |
| tree | df5c2821d2e72cbd1d785ac614669c5ad3b19437 /gnu/packages/patches | |
| parent | a56bf101c603aac3c7e2fc47bd8bd025f2ed44a6 (diff) | |
| download | guix-patches-e3df6938acc2ba2d2f7333d911b8bdc3697f0f75.tar guix-patches-e3df6938acc2ba2d2f7333d911b8bdc3697f0f75.tar.gz | |
gnu: libtasn1: Add replacement to fix CVE-2017-10790.
Based on commit 01a61d7040b1794f36547b107abce6e967d59f21
by Leo Famulari <leo@famulari.name>.
* gnu/packages/patches/libtasn1-CVE-2017-10790.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/tls.scm (libtasn1)[replacement]: New field.
(libtasn1/fixed): New variable.
Diffstat (limited to 'gnu/packages/patches')
| -rw-r--r-- | gnu/packages/patches/libtasn1-CVE-2017-10790.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtasn1-CVE-2017-10790.patch b/gnu/packages/patches/libtasn1-CVE-2017-10790.patch new file mode 100644 index 0000000000..6cec0c8030 --- /dev/null +++ b/gnu/packages/patches/libtasn1-CVE-2017-10790.patch @@ -0,0 +1,63 @@ +Fix CVE-2017-10790: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10790 + +Patch copied from upstream source repository: + +https://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=d8d805e1f2e6799bb2dff4871a8598dc83088a39 + +From d8d805e1f2e6799bb2dff4871a8598dc83088a39 Mon Sep 17 00:00:00 2001 +From: Nikos Mavrogiannopoulos <nmav@redhat.com> +Date: Thu, 22 Jun 2017 16:31:37 +0200 +Subject: [PATCH] _asn1_check_identifier: safer access to values read + +Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com> +--- + lib/parser_aux.c | 17 ++++++++++++----- + 1 file changed, 12 insertions(+), 5 deletions(-) + +diff --git a/lib/parser_aux.c b/lib/parser_aux.c +index 976ab38..786ea64 100644 +--- a/lib/parser_aux.c ++++ b/lib/parser_aux.c +@@ -955,7 +955,7 @@ _asn1_check_identifier (asn1_node node) + if (p2 == NULL) + { + if (p->value) +- _asn1_strcpy (_asn1_identifierMissing, p->value); ++ _asn1_str_cpy (_asn1_identifierMissing, sizeof(_asn1_identifierMissing), (char*)p->value); + else + _asn1_strcpy (_asn1_identifierMissing, "(null)"); + return ASN1_IDENTIFIER_NOT_FOUND; +@@ -968,9 +968,15 @@ _asn1_check_identifier (asn1_node node) + if (p2 && (type_field (p2->type) == ASN1_ETYPE_DEFAULT)) + { + _asn1_str_cpy (name2, sizeof (name2), node->name); +- _asn1_str_cat (name2, sizeof (name2), "."); +- _asn1_str_cat (name2, sizeof (name2), (char *) p2->value); +- _asn1_strcpy (_asn1_identifierMissing, p2->value); ++ if (p2->value) ++ { ++ _asn1_str_cat (name2, sizeof (name2), "."); ++ _asn1_str_cat (name2, sizeof (name2), (char *) p2->value); ++ _asn1_str_cpy (_asn1_identifierMissing, sizeof(_asn1_identifierMissing), (char*)p2->value); ++ } ++ else ++ _asn1_strcpy (_asn1_identifierMissing, "(null)"); ++ + p2 = asn1_find_node (node, name2); + if (!p2 || (type_field (p2->type) != ASN1_ETYPE_OBJECT_ID) || + !(p2->type & CONST_ASSIGN)) +@@ -990,7 +996,8 @@ _asn1_check_identifier (asn1_node node) + _asn1_str_cpy (name2, sizeof (name2), node->name); + _asn1_str_cat (name2, sizeof (name2), "."); + _asn1_str_cat (name2, sizeof (name2), (char *) p2->value); +- _asn1_strcpy (_asn1_identifierMissing, p2->value); ++ _asn1_str_cpy (_asn1_identifierMissing, sizeof(_asn1_identifierMissing), (char*)p2->value); ++ + p2 = asn1_find_node (node, name2); + if (!p2 || (type_field (p2->type) != ASN1_ETYPE_OBJECT_ID) + || !(p2->type & CONST_ASSIGN)) +-- +2.13.3 + |