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author | Patrick J Volkerding <volkerdi@slackware.com> | 2021-12-29 02:42:32 +0000 |
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committer | Eric Hameleers <alien@slackware.com> | 2021-12-29 08:59:55 +0100 |
commit | 58eb3d5294fad71e08ea24b683dea0905c86c827 (patch) | |
tree | d00c7a42e4cbf0cdbaee9ea00edc5855a4174e0c /source/n/wpa_supplicant/patches/0002-WPS-UPnP-Fix-event-message-generation-using-a-long-U.patch | |
parent | ac00706594d04f1b74af59b2437af2165087610b (diff) | |
download | current-58eb3d5294fad71e08ea24b683dea0905c86c827.tar.gz |
Wed Dec 29 02:42:32 UTC 202120211229024232
l/libgsf-1.14.48-x86_64-1.txz: Upgraded.
l/netpbm-10.97.00-x86_64-1.txz: Upgraded.
n/wpa_supplicant-2.9-x86_64-8.txz: Rebuilt.
This update fixes the following security issues:
AP mode PMF disconnection protection bypass.
UPnP SUBSCRIBE misbehavior in hostapd WPS AP.
P2P group information processing vulnerability.
P2P provision discovery processing vulnerability.
ASN.1: Validate DigestAlgorithmIdentifier parameters.
Flush pending control interface message for an interface to be removed.
These issues could result in a denial-of-service, privilege escalation,
arbitrary code execution, or other unexpected behavior.
Thanks to nobodino for pointing out the patches.
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0326
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0535
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12695
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16275
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27803
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30004
(* Security fix *)
xap/seamonkey-2.53.10.2-x86_64-1.txz: Upgraded.
This update contains security fixes and improvements.
For more information, see:
https://www.seamonkey-project.org/releases/seamonkey2.53.10.2
(* Security fix *)
Diffstat (limited to 'source/n/wpa_supplicant/patches/0002-WPS-UPnP-Fix-event-message-generation-using-a-long-U.patch')
-rw-r--r-- | source/n/wpa_supplicant/patches/0002-WPS-UPnP-Fix-event-message-generation-using-a-long-U.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/source/n/wpa_supplicant/patches/0002-WPS-UPnP-Fix-event-message-generation-using-a-long-U.patch b/source/n/wpa_supplicant/patches/0002-WPS-UPnP-Fix-event-message-generation-using-a-long-U.patch new file mode 100644 index 00000000..c7a449e0 --- /dev/null +++ b/source/n/wpa_supplicant/patches/0002-WPS-UPnP-Fix-event-message-generation-using-a-long-U.patch @@ -0,0 +1,59 @@ +From f7d268864a2660b7239b9a8ff5ad37faeeb751ba Mon Sep 17 00:00:00 2001 +From: Jouni Malinen <jouni@codeaurora.org> +Date: Wed, 3 Jun 2020 22:41:02 +0300 +Subject: [PATCH 2/3] WPS UPnP: Fix event message generation using a long URL + path + +More than about 700 character URL ended up overflowing the wpabuf used +for building the event notification and this resulted in the wpabuf +buffer overflow checks terminating the hostapd process. Fix this by +allocating the buffer to be large enough to contain the full URL path. +However, since that around 700 character limit has been the practical +limit for more than ten years, start explicitly enforcing that as the +limit or the callback URLs since any longer ones had not worked before +and there is no need to enable them now either. + +Signed-off-by: Jouni Malinen <jouni@codeaurora.org> +--- + src/wps/wps_upnp.c | 9 +++++++-- + src/wps/wps_upnp_event.c | 3 ++- + 2 files changed, 9 insertions(+), 3 deletions(-) + +diff --git a/src/wps/wps_upnp.c b/src/wps/wps_upnp.c +index 7d4b7439940e..ab685d52ecab 100644 +--- a/src/wps/wps_upnp.c ++++ b/src/wps/wps_upnp.c +@@ -328,9 +328,14 @@ static void subscr_addr_add_url(struct subscription *s, const char *url, + int rerr; + size_t host_len, path_len; + +- /* url MUST begin with http: */ +- if (url_len < 7 || os_strncasecmp(url, "http://", 7)) ++ /* URL MUST begin with HTTP scheme. In addition, limit the length of ++ * the URL to 700 characters which is around the limit that was ++ * implicitly enforced for more than 10 years due to a bug in ++ * generating the event messages. */ ++ if (url_len < 7 || os_strncasecmp(url, "http://", 7) || url_len > 700) { ++ wpa_printf(MSG_DEBUG, "WPS UPnP: Reject an unacceptable URL"); + goto fail; ++ } + url += 7; + url_len -= 7; + +diff --git a/src/wps/wps_upnp_event.c b/src/wps/wps_upnp_event.c +index d7e6edcc6503..08a23612f338 100644 +--- a/src/wps/wps_upnp_event.c ++++ b/src/wps/wps_upnp_event.c +@@ -147,7 +147,8 @@ static struct wpabuf * event_build_message(struct wps_event_ *e) + struct wpabuf *buf; + char *b; + +- buf = wpabuf_alloc(1000 + wpabuf_len(e->data)); ++ buf = wpabuf_alloc(1000 + os_strlen(e->addr->path) + ++ wpabuf_len(e->data)); + if (buf == NULL) + return NULL; + wpabuf_printf(buf, "NOTIFY %s HTTP/1.1\r\n", e->addr->path); +-- +2.20.1 + |