diff options
Diffstat (limited to 'meta-networking/recipes-support/wireshark/files/CVE-2022-0585-CVE-2023-2879.patch')
-rw-r--r-- | meta-networking/recipes-support/wireshark/files/CVE-2022-0585-CVE-2023-2879.patch | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/meta-networking/recipes-support/wireshark/files/CVE-2022-0585-CVE-2023-2879.patch b/meta-networking/recipes-support/wireshark/files/CVE-2022-0585-CVE-2023-2879.patch new file mode 100644 index 0000000000..1fc4a5fe38 --- /dev/null +++ b/meta-networking/recipes-support/wireshark/files/CVE-2022-0585-CVE-2023-2879.patch @@ -0,0 +1,93 @@ +From 5a7a80e139396c07d45e70d63c6d3974c50ae5e8 Mon Sep 17 00:00:00 2001 +From: John Thacker <johnthacker@gmail.com> +Date: Sat, 13 May 2023 21:45:16 -0400 +Subject: GDSDB: Make sure our offset advances. + +add_uint_string() returns the next offset to use, not the number +of bytes consumed. So to consume all the bytes and make sure the +offset advances, return the entire reported tvb length, not the +number of bytes remaining. + +Fixup 8d3c2177793e900cfc7cfaac776a2807e4ea289f + +Fixes #19068 + +Upstream-Status: Backport [https://gitlab.com/wireshark/wireshark/-/commit/8d3c2177793e900cfc7cfaac776a2807e4ea289f && https://gitlab.com/wireshark/wireshark/-/commit/118815ca7c9f82c1f83f8f64d9e0e54673f31677] +CVE: CVE-2022-0585 & CVE-2023-2879 +Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com> +--- + epan/dissectors/packet-gdsdb.c | 23 ++++++++++++++++++++++- + 1 file changed, 22 insertions(+), 1 deletion(-) + +diff --git a/epan/dissectors/packet-gdsdb.c b/epan/dissectors/packet-gdsdb.c +index 95fed7e..950d68f 100644 +--- a/epan/dissectors/packet-gdsdb.c ++++ b/epan/dissectors/packet-gdsdb.c +@@ -15,6 +15,7 @@ + #include "config.h" + + #include <epan/packet.h> ++#include <epan/expert.h> + + void proto_register_gdsdb(void); + void proto_reg_handoff_gdsdb(void); +@@ -182,6 +183,8 @@ static int hf_gdsdb_cursor_type = -1; + static int hf_gdsdb_sqlresponse_messages = -1; + #endif + ++static expert_field ei_gdsdb_invalid_length = EI_INIT; ++ + enum + { + op_void = 0, +@@ -474,7 +477,12 @@ static int add_uint_string(proto_tree *tree, int hf_string, tvbuff_t *tvb, int o + offset, 4, ENC_ASCII|ENC_BIG_ENDIAN); + length = dword_align(tvb_get_ntohl(tvb, offset))+4; + proto_item_set_len(ti, length); +- return offset + length; ++ int ret_offset = offset + length; ++ if (length < 4 || ret_offset < offset) { ++ expert_add_info_format(NULL, ti, &ei_gdsdb_invalid_length, "Invalid length: %d", length); ++ return tvb_reported_length(tvb); ++ } ++ return ret_offset; + } + + static int add_byte_array(proto_tree *tree, int hf_len, int hf_byte, tvbuff_t *tvb, int offset) +@@ -1407,7 +1415,12 @@ dissect_gdsdb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U + offset, 4, ENC_BIG_ENDIAN); + + /* opcode < op_max */ ++ int old_offset = offset; + offset = gdsdb_handle_opcode[opcode](tvb, pinfo, gdsdb_tree, offset+4); ++ if (offset <= old_offset) { ++ expert_add_info(NULL, ti, &ei_gdsdb_invalid_length); ++ return tvb_reported_length_remaining(tvb, old_offset); ++ } + if (offset < 0) + { + /* But at this moment we don't know how much we will need */ +@@ -2022,12 +2035,20 @@ proto_register_gdsdb(void) + &ett_gdsdb_connect_pref + }; + ++/* Expert info */ ++ static ei_register_info ei[] = { ++ { &ei_gdsdb_invalid_length, { "gdsdb.invalid_length", PI_MALFORMED, PI_ERROR, ++ "Invalid length", EXPFILL }}, ++ }; ++ + proto_gdsdb = proto_register_protocol( + "Firebird SQL Database Remote Protocol", + "FB/IB GDS DB", "gdsdb"); + + proto_register_field_array(proto_gdsdb, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); ++ expert_module_t *expert_gdsdb = expert_register_protocol(proto_gdsdb); ++ expert_register_field_array(expert_gdsdb, ei, array_length(ei)); + } + + void +-- +2.25.1 + |