Amazon Linux AMI : ruby20 / ruby21, ruby24 (ALAS-2019-1255)

An issue was discovered in RubyGems. The gem owner command outputs the contents of the API response directly to stdout. Therefore, if the response is crafted, escape sequence injection may occur.CVE-2019-8322 An issue was discovered in RubyGems. Gem::GemcutterUtilitieswithresponse may output the...

Amazon Linux AMI : lighttpd (ALAS-2019-1265)

An issue was discovered in modaliasphysicalhandler in modalias.c in lighttpd before 1.4.50. There is potential ../ path traversal of a single directory above an alias target, with a specific modalias configuration where the matched alias lacks a trailing '/' character, but the alias target...

Amazon Linux AMI : libssh2 (ALAS-2019-1254)

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.CVE-2019-3855 An integer...

Amazon Linux AMI : 389-ds-base (ALAS-2019-1261)

1693612 : 389-ds-base: DoS via hanging secured connections It was found that encrypted connections did not honor the 'ioblocktimeout' parameter to end blocking requests. As a result, an unauthenticated attacker could repeatedly start a sufficient number of encrypted connections to block all...

Amazon Linux AMI : qemu-kvm (ALAS-2019-1260) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Modern Intel microprocessors implement hardware-level micro-optimizations to improve the performance of writing data back to CPU caches. The write operation is split into STA STore Address and STD STore Data sub-operations. These sub-operations allow the processor to hand-off address generation...

Amazon Linux AMI : glib2 (ALAS-2019-1256)

filecopyfallback in gio/gfile.c in GNOME GLib does not properly restrict file permissions while a copy operation is in progress. Instead, default permissions are used.CVE-2019-12450 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Amazon...

Amazon Linux 2 : mod_http2 (ALAS-2019-1264)

A vulnerability was found in Apache HTTP Server 2.4. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly. CVE-2019-0196 C Tenable Network Security, Inc...

Amazon Linux AMI : kernel (ALAS-2019-1253)

There is a newly discovered variant side-channel attack of Spectre V1 which leverages SWAPGS instructions to bypass KPTI/KVA mitigations. This could lead to a kernel information disclosure C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from...

Amazon Linux 2 : vim (ALAS-2019-1239)

It was found that the :source! command was not restricted by the sandbox mode. If modeline was explicitly enabled, opening a specially crafted text file in vim could result in arbitrary command execution. CVE-2019-12735 C Tenable Network Security, Inc. The descriptive text and package checks in...

Amazon Linux 2 : 389-ds-base (ALAS-2019-1262)

It was found that encrypted connections did not honor the 'ioblocktimeout' parameter to end blocking requests. As a result, an unauthenticated attacker could repeatedly start a sufficient number of encrypted connections to block all workers, resulting in a denial of service. CVE-2019-3883 C Tenab...

Amazon Linux 2 : libssh2 (ALAS-2019-1263)

An out of bounds read flaw was discovered in libssh2 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a denial of service or read data in the client memory. CVE-2019-3858 An out of bounds read flaw was discovered...

Amazon Linux 2 : kernel (ALAS-2019-1253)

There is a newly discovered variant side-channel attack of Spectre V1 which leverages SWAPGS instructions to bypass KPTI/KVA mitigations. This could lead to a kernel information disclosure. CVE-2019-1125 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were...

Amazon Linux 2 : python (ALAS-2019-1258)

A security regression of CVE-2019-9636 was discovered in python, which still allows an attacker to exploit CVE-2019-9636 by abusing the user and password parts of a URL. When an application parses user-supplied URLs to store cookies, authentication credentials, or other kind of information, it is...

Amazon Linux 2 : python3 (ALAS-2019-1259)

A security regression of CVE-2019-9636 was discovered in python, which still allows an attacker to exploit CVE-2019-9636 by abusing the user and password parts of a URL. When an application parses user-supplied URLs to store cookies, authentication credentials, or other kind of information, it is...

Critical: thunderbird

Issue Overview: When an inner window is reused, it does not consider the use of document.domain for cross-origin protections. If pages on different subdomains ever cooperatively use document.domain, then either page can abuse this to inject script into arbitrary pages on the other subdomain, even...

Medium: 389-ds-base

Issue Overview: It was found that encrypted connections did not honor the 'ioblocktimeout' parameter to end blocking requests. As a result, an unauthenticated attacker could repeatedly start a sufficient number of encrypted connections to block all workers, resulting in a denial of service...

Low: mod_http2

Issue Overview: A vulnerability was found in Apache HTTP Server 2.4. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly. CVE-2019-0196 Affected Packages...

Medium: kernel

Issue Overview: There is a newly discovered variant side-channel attack of Spectre V1 which leverages SWAPGS instructions to bypass KPTI/KVA mitigations. This could lead to a kernel information disclosure. CVE-2019-1125 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2...

Amazon Linux AMI : dbus (ALAS-2019-1246)

dbus as used in DBusServer, allows cookie spoofing because of symlink mishandling in the reference implementation of DBUSCOOKIESHA1 in the libdbus library. This only affects the DBUSCOOKIESHA1 authentication mechanism. A malicious client with write access to its own home directory could manipulat...

Amazon Linux AMI : libxslt (ALAS-2019-1241)

libxslt allows bypass of a protection mechanism because callers of xsltCheckRead and xsltCheckWrite permit access even upon receiving a -1 error code. xsltCheckRead can return -1 for a crafted URL that is not actually invalid and is subsequently loaded. CVE-2019-11068 C Tenable Network Security,...