Amazon Linux AMI : tomcat8 (ALAS-2019-1234)

The HTTP/2 implementation in Apache Tomcat accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open without reading/writing request/response data. By keeping streams open for requests that utilised the Servlet API's blocking I/O, clients were able...

Amazon Linux AMI : bind (ALAS-2019-1244)

A flaw was found in the way bind implemented tunable which limited simultaneous TCP client connections. A remote attacker could use this flaw to exhaust the pool of file descriptors available to named, potentially affecting network connections and the management of files such as log files or zone...

Amazon Linux AMI : php71 / php72,php73 (ALAS-2019-1240)

Function iconvmimedecodeheaders in PHP may perform out-of-buffer read due to integer overflow when parsing MIME headers. This may lead to information disclosure or crash.CVE-2019-11039 When using gdImageCreateFromXbm function of PHP gd extension, it is possible to supply data that will cause the...

Amazon Linux AMI : 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 : python3 (ALAS-2019-1247)

An issue was discovered in urllib2 in Python 2.x and urllib in Python 3.x. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n specifically in the path component of a URL that lacks a ? character followed b...

Amazon Linux 2 : thunderbird (ALAS-2019-1250)

libical: Heap buffer over read in icalparser.c parsergetnextchar CVE-2019-11703 libical: Type confusion in icaltimezonegetvtimezoneproperties function in icalproperty.c CVE-2019-11706 Mozilla: Sandbox escape using Prompt:Open CVE-2019-11708 libical: Stack buffer overflow in icalrecuraddbydayrules...

Amazon Linux 2 : curl (ALAS-2019-1233)

An integer overflow in curl's URL API results in a buffer overflow in libcurl. CVE-2019-5435 A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl. CVE-2019-5436 C Tenable Network Security, Inc. The descriptive text and package checks in this plug...

Amazon Linux 2 : java-11-amazon-corretto (ALAS-2019-1246)

OpenJDK: Insufficient restriction of privileges in AccessController Security, 8216381 CVE-2019-2786 OpenJDK: Unbounded memory allocation during deserialization in Collections Utilities, 8213432 CVE-2019-2769 libpng: pngimagefree in png.c in libpng has a use-after-free because pngimagefreefunction...

Amazon Linux 2 : kernel (ALAS-2019-1232)

An infinite loop issue was found in the vhostnet kernel module while handling incoming packets in handlerx. The infinite loop could occur if one end sends packets faster than the other end can process them. A guest user, maybe a remote one, could use this flaw to stall the vhostnet kernel thread,...

Amazon Linux 2 : ruby (ALAS-2019-1249)

An issue was discovered in RubyGems 2.6 and later through 3.0.2. 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 2.6 and later through...

Amazon Linux 2 : qemu (ALAS-2019-1248)

A heap buffer overflow issue was found in the loaddevicetree function of QEMU, which is invoked to load a device tree blob at boot time. It occurs due to device tree size manipulation before buffer allocation, which could overflow a signed int type. A user/process could use this flaw to potential...

Amazon Linux 2 : python-jinja2 (ALAS-2019-1223)

In Pallets Jinja, str.format allows a sandbox escape. CVE-2016-10745 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Amazon Linux 2 Security Advisory ALAS-2019-1223. include'compat.inc'; if description scriptid126831; scriptversion"1.3";...

Critical: dnsmasq

Issue Overview: A memory exhaustion flaw was found in dnsmasq in the EDNS0 code. An attacker could send crafted DNS packets which would trigger memory allocations which would never be freed, leading to unbounded memory consumption and eventually a crash. This issue only affected configurations...

Low: curl

Issue Overview: An integer overflow in curl's URL API results in a buffer overflow in libcurl. CVE-2019-5435 A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl. CVE-2019-5436 Affected Packages: curl Note: This advisory is applicable to Amazon...

Critical: thunderbird

Issue Overview: libical: Heap buffer over read in icalparser.c parsergetnextchar CVE-2019-11703 libical: Type confusion in icaltimezonegetvtimezoneproperties function in icalproperty.c CVE-2019-11706 Mozilla: Sandbox escape using Prompt:Open CVE-2019-11708 libical: Stack buffer overflow in...

Important: ruby

Issue Overview: An issue was discovered in RubyGems 2.6 and later through 3.0.2. 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 2.6 and...

Amazon Linux 2 : python (ALAS-2019-1230)

A NULL pointer dereference vulnerability was found in the certificate parsing code in Python. This causes a denial of service to applications when parsing specially crafted certificates. This vulnerability is unlikely to be triggered if application enables SSL/TLS certificate validation and accep...

Amazon Linux 2 : bind (ALAS-2019-1231)

A flaw was found in the way bind implemented tunable which limited simultaneous TCP client connections. A remote attacker could use this flaw to exhaust the pool of file descriptors available to named, potentially affecting network connections and the management of files such as log files or zone...

Amazon Linux AMI : python27 (ALAS-2019-1230)

Python 2.7.x through 2.7.16 is affected by: Improper Handling of Unicode Encoding with an incorrect netloc during NFKC normalization. The impact is: Information disclosure credentials, cookies, etc. that are cached against a given hostname. The components are: urllib.parse.urlsplit,...

Amazon Linux AMI : kernel (ALAS-2019-1222) (SACK Panic) (SACK Slowness)

CVE-2019-11477 , CVE-2019-11478 and CVE-2019-11479 describe vulnerabilities in the Linux kernel that can be remotely exploited using a specially crafted TCP connection, crashing the targeted system. The latest Amazon Linux AMIs as available in AWS EC2 already contain these kernels and are not...