diff options
Diffstat (limited to 'meta-oe/recipes-devtools/nodejs/nodejs/CVE-2022-43548.patch')
-rw-r--r-- | meta-oe/recipes-devtools/nodejs/nodejs/CVE-2022-43548.patch | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/meta-oe/recipes-devtools/nodejs/nodejs/CVE-2022-43548.patch b/meta-oe/recipes-devtools/nodejs/nodejs/CVE-2022-43548.patch new file mode 100644 index 0000000000..54da1fba99 --- /dev/null +++ b/meta-oe/recipes-devtools/nodejs/nodejs/CVE-2022-43548.patch @@ -0,0 +1,214 @@ +commit 2b433af094fb79cf80f086038b7f36342cb6826f +Author: Tobias Nießen <tniessen@tnie.de> +Date: Sun Sep 25 12:34:05 2022 +0000 + + inspector: harden IP address validation again + + Use inet_pton() to parse IP addresses, which restricts IP addresses + to a small number of well-defined formats. In particular, octal and + hexadecimal number formats are not allowed, and neither are leading + zeros. Also explicitly reject 0.0.0.0/8 and ::/128 as non-routable. + + Refs: https://hackerone.com/reports/1710652 + CVE-ID: CVE-2022-43548 + PR-URL: https://github.com/nodejs-private/node-private/pull/354 + Reviewed-by: Michael Dawson <midawson@redhat.com> + Reviewed-by: Rafael Gonzaga <rafael.nunu@hotmail.com> + Reviewed-by: Rich Trott <rtrott@gmail.com> + +CVE: CVE-2022-43548 +Upstream-Status: Backport [https://sources.debian.org/src/nodejs/12.22.12~dfsg-1~deb11u3/debian/patches/cve-2022-43548.patch] +Comment: No hunks refreshed +Signed-off-by: Poonam Jadhav <Poonam.Jadhav@kpit.com> + +Index: nodejs-12.22.12~dfsg/src/inspector_socket.cc +=================================================================== +--- nodejs-12.22.12~dfsg.orig/src/inspector_socket.cc ++++ nodejs-12.22.12~dfsg/src/inspector_socket.cc +@@ -10,6 +10,7 @@ + + #include "openssl/sha.h" // Sha-1 hash + ++#include <algorithm> + #include <cstring> + #include <map> + +@@ -166,25 +167,71 @@ static std::string TrimPort(const std::s + } + + static bool IsIPAddress(const std::string& host) { +- if (host.length() >= 4 && host.front() == '[' && host.back() == ']') ++ // TODO(tniessen): add CVEs to the following bullet points ++ // To avoid DNS rebinding attacks, we are aware of the following requirements: ++ // * the host name must be an IP address, ++ // * the IP address must be routable, and ++ // * the IP address must be formatted unambiguously. ++ ++ // The logic below assumes that the string is null-terminated, so ensure that ++ // we did not somehow end up with null characters within the string. ++ if (host.find('\0') != std::string::npos) return false; ++ ++ // All IPv6 addresses must be enclosed in square brackets, and anything ++ // enclosed in square brackets must be an IPv6 address. ++ if (host.length() >= 4 && host.front() == '[' && host.back() == ']') { ++ // INET6_ADDRSTRLEN is the maximum length of the dual format (including the ++ // terminating null character), which is the longest possible representation ++ // of an IPv6 address: xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:ddd.ddd.ddd.ddd ++ if (host.length() - 2 >= INET6_ADDRSTRLEN) return false; ++ ++ // Annoyingly, libuv's implementation of inet_pton() deviates from other ++ // implementations of the function in that it allows '%' in IPv6 addresses. ++ if (host.find('%') != std::string::npos) return false; ++ ++ // Parse the IPv6 address to ensure it is syntactically valid. ++ char ipv6_str[INET6_ADDRSTRLEN]; ++ std::copy(host.begin() + 1, host.end() - 1, ipv6_str); ++ ipv6_str[host.length()] = '\0'; ++ unsigned char ipv6[sizeof(struct in6_addr)]; ++ if (uv_inet_pton(AF_INET6, ipv6_str, ipv6) != 0) return false; ++ ++ // The only non-routable IPv6 address is ::/128. It should not be necessary ++ // to explicitly reject it because it will still be enclosed in square ++ // brackets and not even macOS should make DNS requests in that case, but ++ // history has taught us that we cannot be careful enough. ++ // Note that RFC 4291 defines both "IPv4-Compatible IPv6 Addresses" and ++ // "IPv4-Mapped IPv6 Addresses", which means that there are IPv6 addresses ++ // (other than ::/128) that represent non-routable IPv4 addresses. However, ++ // this translation assumes that the host is interpreted as an IPv6 address ++ // in the first place, at which point DNS rebinding should not be an issue. ++ if (std::all_of(ipv6, ipv6 + sizeof(ipv6), [](auto b) { return b == 0; })) { ++ return false; ++ } ++ ++ // It is a syntactically valid and routable IPv6 address enclosed in square ++ // brackets. No client should be able to misinterpret this. + return true; +- uint_fast16_t accum = 0; +- uint_fast8_t quads = 0; +- bool empty = true; +- auto endOctet = [&accum, &quads, &empty](bool final = false) { +- return !empty && accum <= 0xff && ++quads <= 4 && final == (quads == 4) && +- (empty = true) && !(accum = 0); +- }; +- for (char c : host) { +- if (isdigit(c)) { +- if ((accum = (accum * 10) + (c - '0')) > 0xff) return false; +- empty = false; +- } else if (c != '.' || !endOctet()) { +- return false; +- } +- } +- return endOctet(true); +-} ++ } ++ ++ // Anything not enclosed in square brackets must be an IPv4 address. It is ++ // important here that inet_pton() accepts only the so-called dotted-decimal ++ // notation, which is a strict subset of the so-called numbers-and-dots ++ // notation that is allowed by inet_aton() and inet_addr(). This subset does ++ // not allow hexadecimal or octal number formats. ++ unsigned char ipv4[sizeof(struct in_addr)]; ++ if (uv_inet_pton(AF_INET, host.c_str(), ipv4) != 0) return false; ++ ++ // The only strictly non-routable IPv4 address is 0.0.0.0, and macOS will make ++ // DNS requests for this IP address, so we need to explicitly reject it. In ++ // fact, we can safely reject all of 0.0.0.0/8 (see Section 3.2 of RFC 791 and ++ // Section 3.2.1.3 of RFC 1122). ++ // Note that inet_pton() stores the IPv4 address in network byte order. ++ if (ipv4[0] == 0) return false; ++ ++ // It is a routable IPv4 address in dotted-decimal notation. ++ return true; ++ } + + // Constants for hybi-10 frame format. + +Index: nodejs-12.22.12~dfsg/test/cctest/test_inspector_socket.cc +=================================================================== +--- nodejs-12.22.12~dfsg.orig/test/cctest/test_inspector_socket.cc ++++ nodejs-12.22.12~dfsg/test/cctest/test_inspector_socket.cc +@@ -925,4 +925,84 @@ TEST_F(InspectorSocketTest, HostIpTooMan + expect_handshake_failure(); + } + ++TEST_F(InspectorSocketTest, HostIpInvalidOctalOctetStartChecked) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: 08.1.1.1:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ ++TEST_F(InspectorSocketTest, HostIpInvalidOctalOctetMidChecked) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: 1.09.1.1:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ ++TEST_F(InspectorSocketTest, HostIpInvalidOctalOctetEndChecked) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: 1.1.1.009:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ ++TEST_F(InspectorSocketTest, HostIpLeadingZeroStartChecked) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: 01.1.1.1:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ ++TEST_F(InspectorSocketTest, HostIpLeadingZeroMidChecked) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: 1.1.001.1:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ ++TEST_F(InspectorSocketTest, HostIpLeadingZeroEndChecked) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: 1.1.1.01:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ ++TEST_F(InspectorSocketTest, HostIPv6NonRoutable) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: [::]:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ ++TEST_F(InspectorSocketTest, HostIPv6NonRoutableDual) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: [::0.0.0.0]:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ ++TEST_F(InspectorSocketTest, HostIPv4InSquareBrackets) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: [127.0.0.1]:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ ++TEST_F(InspectorSocketTest, HostIPv6InvalidAbbreviation) { ++ const std::string INVALID_HOST_IP_REQUEST = "GET /json HTTP/1.1\r\n" ++ "Host: [:::1]:9229\r\n\r\n"; ++ send_in_chunks(INVALID_HOST_IP_REQUEST.c_str(), ++ INVALID_HOST_IP_REQUEST.length()); ++ expect_handshake_failure(); ++} ++ + } // anonymous namespace |