diff --git a/meta-networking/recipes-connectivity/freeradius/files/CVE-2022-41860.patch b/meta-networking/recipes-connectivity/freeradius/files/CVE-2022-41860.patch new file mode 100644 index 000000000..4ea519c75 --- /dev/null +++ b/meta-networking/recipes-connectivity/freeradius/files/CVE-2022-41860.patch @@ -0,0 +1,118 @@ +From f1cdbb33ec61c4a64a32e107d4d02f936051c708 Mon Sep 17 00:00:00 2001 +From: "Alan T. DeKok" +Date: Mon, 7 Feb 2022 22:26:05 -0500 +Subject: [PATCH] it's probably wrong to be completely retarded. Let's fix + that. + +CVE: CVE-2022-41860 + +Upstream-Status: Backport +[https://github.com/FreeRADIUS/freeradius-server/commit/f1cdbb33ec61c4a64a32e107d4d02f936051c708] + +Signed-off-by: Yi Zhao +--- + src/modules/rlm_eap/libeap/eapsimlib.c | 69 +++++++++++++++++++------- + 1 file changed, 52 insertions(+), 17 deletions(-) + +diff --git a/src/modules/rlm_eap/libeap/eapsimlib.c b/src/modules/rlm_eap/libeap/eapsimlib.c +index cf1e8a7dd9..e438a844ea 100644 +--- a/src/modules/rlm_eap/libeap/eapsimlib.c ++++ b/src/modules/rlm_eap/libeap/eapsimlib.c +@@ -307,42 +307,77 @@ int unmap_eapsim_basictypes(RADIUS_PACKET *r, + newvp->vp_length = 1; + fr_pair_add(&(r->vps), newvp); + ++ /* ++ * EAP-SIM has a 1 octet of subtype, and 2 octets ++ * reserved. ++ */ + attr += 3; + attrlen -= 3; + +- /* now, loop processing each attribute that we find */ +- while(attrlen > 0) { ++ /* ++ * Loop over each attribute. The format is: ++ * ++ * 1 octet of type ++ * 1 octet of length (value 1..255) ++ * ((4 * length) - 2) octets of data. ++ */ ++ while (attrlen > 0) { + uint8_t *p; + +- if(attrlen < 2) { ++ if (attrlen < 2) { + fr_strerror_printf("EAP-Sim attribute %d too short: %d < 2", es_attribute_count, attrlen); + return 0; + } + ++ if (!attr[1]) { ++ fr_strerror_printf("EAP-Sim attribute %d (no.%d) has no data", eapsim_attribute, ++ es_attribute_count); ++ return 0; ++ } ++ + eapsim_attribute = attr[0]; + eapsim_len = attr[1] * 4; + ++ /* ++ * The length includes the 2-byte header. ++ */ + if (eapsim_len > attrlen) { + fr_strerror_printf("EAP-Sim attribute %d (no.%d) has length longer than data (%d > %d)", + eapsim_attribute, es_attribute_count, eapsim_len, attrlen); + return 0; + } + +- if(eapsim_len > MAX_STRING_LEN) { +- eapsim_len = MAX_STRING_LEN; +- } +- if (eapsim_len < 2) { +- fr_strerror_printf("EAP-Sim attribute %d (no.%d) has length too small", eapsim_attribute, +- es_attribute_count); +- return 0; +- } ++ newvp = fr_pair_afrom_num(r, eapsim_attribute + PW_EAP_SIM_BASE, 0); ++ if (!newvp) { ++ /* ++ * RFC 4186 Section 8.1 says 0..127 are ++ * "non-skippable". If one such ++ * attribute is found and we don't ++ * understand it, the server has to send: ++ * ++ * EAP-Request/SIM/Notification packet with an ++ * (AT_NOTIFICATION code, which implies general failure ("General ++ * failure after authentication" (0), or "General failure" (16384), ++ * depending on the phase of the exchange), which terminates the ++ * authentication exchange. ++ */ ++ if (eapsim_attribute <= 127) { ++ fr_strerror_printf("Unknown mandatory attribute %d, failing", ++ eapsim_attribute); ++ return 0; ++ } + +- newvp = fr_pair_afrom_num(r, eapsim_attribute+PW_EAP_SIM_BASE, 0); +- newvp->vp_length = eapsim_len-2; +- newvp->vp_octets = p = talloc_array(newvp, uint8_t, newvp->vp_length); +- memcpy(p, &attr[2], eapsim_len-2); +- fr_pair_add(&(r->vps), newvp); +- newvp = NULL; ++ } else { ++ /* ++ * It's known, ccount for header, and ++ * copy the value over. ++ */ ++ newvp->vp_length = eapsim_len - 2; ++ ++ newvp->vp_octets = p = talloc_array(newvp, uint8_t, newvp->vp_length); ++ memcpy(p, &attr[2], newvp->vp_length); ++ fr_pair_add(&(r->vps), newvp); ++ } + + /* advance pointers, decrement length */ + attr += eapsim_len; +-- +2.25.1 + diff --git a/meta-networking/recipes-connectivity/freeradius/files/CVE-2022-41861.patch b/meta-networking/recipes-connectivity/freeradius/files/CVE-2022-41861.patch new file mode 100644 index 000000000..352c02137 --- /dev/null +++ b/meta-networking/recipes-connectivity/freeradius/files/CVE-2022-41861.patch @@ -0,0 +1,53 @@ +From 0ec2b39d260e08e4c3464f6b95005821dc559c62 Mon Sep 17 00:00:00 2001 +From: "Alan T. DeKok" +Date: Mon, 28 Feb 2022 10:34:15 -0500 +Subject: [PATCH] manual port of commit 5906bfa1 + +CVE: CVE-2022-41861 + +Upstream-Status: Backport +[https://github.com/FreeRADIUS/freeradius-server/commit/0ec2b39d260e08e4c3464f6b95005821dc559c62] + +Signed-off-by: Yi Zhao +--- + src/lib/filters.c | 12 +++++++++--- + 1 file changed, 9 insertions(+), 3 deletions(-) + +diff --git a/src/lib/filters.c b/src/lib/filters.c +index 4868cd385d..3f3b63daee 100644 +--- a/src/lib/filters.c ++++ b/src/lib/filters.c +@@ -1205,13 +1205,19 @@ void print_abinary(char *out, size_t outlen, uint8_t const *data, size_t len, in + } + } + } else if (filter->type == RAD_FILTER_GENERIC) { +- int count; ++ size_t count, masklen; ++ ++ masklen = ntohs(filter->u.generic.len); ++ if (masklen >= sizeof(filter->u.generic.mask)) { ++ *p = '\0'; ++ return; ++ } + + i = snprintf(p, outlen, " %u ", (unsigned int) ntohs(filter->u.generic.offset)); + p += i; + + /* show the mask */ +- for (count = 0; count < ntohs(filter->u.generic.len); count++) { ++ for (count = 0; count < masklen; count++) { + i = snprintf(p, outlen, "%02x", filter->u.generic.mask[count]); + p += i; + outlen -= i; +@@ -1222,7 +1228,7 @@ void print_abinary(char *out, size_t outlen, uint8_t const *data, size_t len, in + outlen--; + + /* show the value */ +- for (count = 0; count < ntohs(filter->u.generic.len); count++) { ++ for (count = 0; count < masklen; count++) { + i = snprintf(p, outlen, "%02x", filter->u.generic.value[count]); + p += i; + outlen -= i; +-- +2.25.1 + diff --git a/meta-networking/recipes-connectivity/freeradius/freeradius_3.0.21.bb b/meta-networking/recipes-connectivity/freeradius/freeradius_3.0.21.bb index 1407b798b..db37f6591 100644 --- a/meta-networking/recipes-connectivity/freeradius/freeradius_3.0.21.bb +++ b/meta-networking/recipes-connectivity/freeradius/freeradius_3.0.21.bb @@ -33,6 +33,8 @@ SRC_URI = "git://github.com/FreeRADIUS/freeradius-server.git;branch=v3.0.x;lfs=0 file://radiusd-volatiles.conf \ file://check-openssl-cmds-in-script-bootstrap.patch \ file://0001-version.c-don-t-print-build-flags.patch \ + file://CVE-2022-41860.patch \ + file://CVE-2022-41861.patch \ " raddbdir="${sysconfdir}/${MLPREFIX}raddb"