Critical: php71, php72, php73, php56

Issue Overview: In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code...

Important: log4j-cve-2021-44228-hotpatch

Issue Overview: The Apache Log4j hotpatch package starting with log4j-cve-2021-44228-hotpatch-1.1-16 will now explicitly mimic the Linux capabilities and cgroups of the target Java process that the hotpatch is applied to. In order to mimic the Linux capabilities of the target process, Amazon Linu...

Medium: kernel

Issue Overview: The USB subsystem mishandles size checks during the reading of an extra descriptor, related to usbgetextradescriptor in drivers/usb/core/usb.c.CVE-2018-20169 A flaw was found where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race...

Medium: kernel

Issue Overview: arch/x86/kernel/entry32.S in the Linux kernel through 3.15.1 on 32-bit x86 platforms, when syscall auditing is enabled and the sep CPU feature flag is set, allows local users to cause a denial of service OOPS and system crash via an invalid syscall number, as demonstrated by numbe...

Medium: php56, php70, php71, php72

Issue Overview: ext/imap/phpimap.c in PHP 5.x and 7.x before 7.3.0 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via an empty string in the message argument to the imapmail function.CVE-2018-19935 University of Washington IMAP Toolkit 2007f on...

Medium: python34, python36

Issue Overview: Python's elementtree C accelerator failed to initialise Expat's hash salt during initialization. This could make it easy to conduct denial of service attacks against Expat by contructing an XML document that would cause pathological hash collisions in Expat's internal data...

Critical: java-1.8.0-openjdk, java-1.7.0-openjdk, java-1.6.0-openjdk

Issue Overview: No versions of an Amazon Linux Java Virtual Machine JVM are affected by CVE-2021-44228 or CVE-2021-45046. However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in...

Important: libxml2

Issue Overview: A heap-based buffer overflow flaw was found in the way libxml2 parsed certain crafted XML input. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or execute arbitrary code...

Important: python36

Issue Overview: Python 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,...

Critical: kernel

Issue Overview: 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...

Important: golang

Issue Overview: net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. This is related to a Host field with a suffix appearing in neither Hostname nor Port, and is related to a non-numeric port number. For...

Medium: mysql57

Issue Overview: A stack-based buffer overflow vulnerability in the 'Server: Packaging cURL' subcomponent could allow an unauthenticated attacker to gain complete control of an affected instance of MySQL Server. CVE-2019-3822 Vulnerability in the MySQL Server component of Oracle MySQL subcomponent...

Medium: php56

Issue Overview: As reported upstream https://bugs.php.net/bug.php?id=69720, A NULL pointer dereference flaw was found in the way PHP's Phar extension parsed Phar archives. A specially crafted archive could cause PHP to crash. CVE-2015-7803 A flaw was discovered in the way PHP performed object...

Important: nghttp2

Issue Overview: Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel's freescale hypervisor manager implementation. A parameter passed via to an ioctl was incorrectly validated and used in size calculations for the page size calculation. An attacker can use this flaw to crash the system or corrupt memory or,...

Important: kernel

Issue Overview: In the Linux kernel afalgrelease in crypto/afalg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free UAF in sockfssetattr. A local attacker can use this flaw to escalate privileges and take control of the system. CVE-2019-8912 Affected...

Important: kernel

Issue Overview: An issue has been reported in the Linux kernel's handling of raw sockets. This issue can be used locally to cause denial of service or local privilege escalation from unprivileged processes or from containers with the CAPNETRAW capability enabled. See Also:...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. The cryptoreport function mishandles resource cleanup on error. A local attacker able to induce the error conditions could use this flaw to crash the system. The highest threat from this vulnerability is to system availability. CVE-2019-19062 ...

Critical: java-1.7.0-openjdk

Issue Overview: Multiple input checking flaws were found in the 2D component native image parsing code. A specially crafted image file could trigger a Java Virtual Machine memory corruption and, possibly, lead to arbitrary code execution with the privileges of the user running the Java Virtual...

Low: clamav

Issue Overview: An issue was discovered in kwajdreadheaders in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.CVE-2018-14681 An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in...

Critical: exim

Issue Overview: A flaw was found in Exim versions 4.87 to 4.91 before release 1.20 inclusive. Improper validation of recipient address in delivermessage function in /src/deliver.c may lead to remote command execution. CVE-2019-10149 Affected Packages: exim Issue Correction: Run yum update exim or...

Medium: openssh

Issue Overview: An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server or Man-in-The-Middle attacker can employ crafted object names to manipulate the client output, e.g., by using ANSI control codes to hide additional files being...

Low: php71, php72, php73

Issue Overview: When processing certain files, PHP EXIF extension in versions 7.1.x below 7.1.28, 7.2.x below 7.2.17 and 7.3.x below 7.3.4 can be caused to read past allocated buffer in exifiifaddvalue function. This may lead to information disclosure or crash. CVE-2019-11035 When processing...

Important: nginx

Issue Overview: Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and...

Medium: oniguruma

Issue Overview: A use-after-free in onignewdeluxe in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause information disclosure, denial of service, or possibly code execution by providing a crafted regular expression. The attacker provides a pair of a regex pattern and a string, wit...

Medium: curl

Issue Overview: setfilemetadata in xattr.c in GNU Wget stores a file's origin URL in the user.xdg.origin.url metadata attribute of the extended attributes of the downloaded file, which allows local users to obtain sensitive information e.g., credentials contained in the URL by reading this...

Important: ruby23, ruby24

Issue Overview: An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. When two OpenSSL::X509::Name objects are compared using ==, depending on the ordering, non-equal objects may return true. When the first...

Important: docker

Issue Overview: A vulnerability was discovered in runc, which is used by Docker to run containers. runc did not prevent container processes from modifying the runc binary via /proc/self/exe. A malicious container could replace the runc binary, resulting in container escape and privilege escalatio...

Medium: java-1.8.0-openjdk

Issue Overview: Improve CORBA communication: CORBA deserialization can result in outbound network connections with data passed in. CVE-2023-21830 Affected Packages: java-1.8.0-openjdk Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the differenc...

Important: httpd24

Issue Overview: In Apache HTTP server by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 modhttp2 connections. CVE-2018-17189 A bug exists in the way modss...

Medium: mysql56

Issue Overview: Vulnerability in the MySQL Server component of Oracle MySQL subcomponent: Server: Security: Privileges. Supported versions that are affected are 5.6.44 and prior, 5.7.26 and prior and 8.0.16 and prior. Easily exploitable vulnerability allows high privileged attacker with logon to...

Important: kernel

Issue Overview: A kernel memory leak was found in the kernelreadfile function in the fs/exec.c file in the Linux kernel. An attacker could use this flaw to cause a memory leak and thus a denial of service DoS. CVE-2019-8980 A flaw was found in mmap in the Linux kernel allowing the process to map ...

Important: zlib

Issue Overview: An out-of-bounds access flaw was found in zlib, which allows memory corruption when deflating ex: when compressing if the input has many distant matches. For some rare inputs with a large number of distant matches crafted payloads, the buffer into which the compressed or deflated...

Low: python-urllib3

Issue Overview: urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect i.e., a redirect that differs in host, port, or scheme. This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in...

Important: kernel

Issue Overview: An out-of-bounds access issue was found in the way Linux kernel's KVM hypervisor implements the Coalesced MMIO write operation. It operates on an MMIO ring buffer 'struct kvmcoalescedmmio' object, wherein write indices 'ring-first' and 'ring-last' value could be supplied by a host...

Medium: runc

Issue Overview: runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfslinux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. This...

Medium: curl

Issue Overview: Heap buffer overflow in the TFTP protocol handler in cURL 7.19.4 to 7.65.3. CVE-2019-5482 Double-free vulnerability in the FTP-kerberos code in cURL 7.52.0 to 7.65.3. CVE-2019-5481 Affected Packages: curl Issue Correction: Run yum update curl or yum update --advisory ALAS-2019-129...

Important: python34

Issue Overview: Python 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, urllib.parse.urlpars...

Low: php71, php73

Issue Overview: When PHP EXIF extension is parsing EXIF information from an image, e.g. via exifreaddata function, in PHP versions 7.1.x below 7.1.31, 7.2.x below 7.2.21 and 7.3.x below 7.3.8 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead...

Important: python-jinja2

Issue Overview: In Pallets Jinja, str.format allows a sandbox escape. CVE-2016-10745 Affected Packages: python-jinja2 Issue Correction: Run yum update python-jinja2 or yum update --advisory ALAS-2019-1223 to update your system. New Packages: noarch: python26-jinja2-2.7.2-3.16.amzn1.noarch ...

Important: httpd24

Issue Overview: In Apache HTTP Server with MPM event, worker or prefork, code executing in less-privileged child processes or threads including scripts executed by an in-process scripting interpreter could execute arbitrary code with the privileges of the parent process usually root by manipulati...

Important: clamav

Issue Overview: An out-of-bounds heap read condition may occur when scanning PDF documents. The defect is a failure to correctly keep track of the number of bytes remaining in a buffer when indexing file data. CVE-2019-1787 An out-of-bounds heap read condition may occur when scanning PE files i.e...

Medium: golang

Issue Overview: Go mishandles P-521 and P-384 elliptic curves, which allows attackers to cause a denial of service CPU consumption or possibly conduct ECDH private key recovery attacks. CVE-2019-6486 Affected Packages: golang Issue Correction: Run yum update golang or yum update --advisory...

Important: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Libraries. Supported versions that are affected are Java SE: 7u261 and 8u251; Java SE Embedded: 8u251. Difficult to exploit vulnerability allows unauthenticated attacker with network access via...

Important: httpd

Issue Overview: A NULL pointer dereference was found in Apache httpd modh2. The highest threat from this flaw is to system integrity. CVE-2021-33193 A NULL pointer dereference in httpd allows an unauthenticated remote attacker to crash httpd by providing malformed HTTP requests. The highest threa...

Important: kernel

Issue Overview: A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure entries. A privileged guest user may use this flaw to induce a hardware Machine Check Error on the host...

Medium: kernel

Issue Overview: In the Linux kernel before 5.1, there is a memory leak in featregistersp in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b. CVE-2019-20096 An issue was discovered in the Linux kernel before 5.0.10. SMB2negotiate in fs/cifs/smb2pdu.c has an out-of-bounds...

Important: kernel

Issue Overview: 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 vhostne...

Important: httpd

Issue Overview: A null pointer de-reference was found in the way httpd handled specially crafted HTTP/2 request. A remote attacker could use this flaw to crash the httpd child process, causing temporary denial of service. CVE-2021-31618 Affected Packages: httpd Note: This advisory is applicable t...

Important: httpd

Issue Overview: A flaw was found in the modlua module of httpd. A crafted request body can cause a read to a random memory area due to an uninitialized value in functions called by the parsebody function. The highest treat of this vulnerability is availability. CVE-2022-22719 A flaw was found in...