Medium: openssl

Issue Overview: It was found that openssl assumed ASN.1 strings to be NUL terminated. A malicious actor may be able to force an application into calling openssl function with a specially crafted, non-NUL terminated string to deliberately hit this bug, which may result in a crash of the applicatio...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueueadd function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the...

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: httpd24

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: libsndfile

Issue Overview: A heap buffer overflow flaw was found in libsndfile. This flaw allows an attacker to execute arbitrary code via a crafted WAV file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. CVE-2021-3246 Affected Packages:...

Medium: glib2

Issue Overview: An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If gbytearraynewtake was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 232, causing unintended length truncation. CVE-2021-27218 Affected Packages: glib2...

Important: sssd

Issue Overview: A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access...

Medium: kernel

Issue Overview: A flaw was found in the Linux kernel. A race condition was discovered in the ext4 subsystem. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. CVE-2021-40490 Affected Packages: kernel Note: This advisory is applicab...

Medium: openssl11

Issue Overview: It was found that openssl assumed ASN.1 strings to be NUL terminated. A malicious actor may be able to force an application into calling openssl function with a specially crafted, non-NUL terminated string to deliberately hit this bug, which may result in a crash of the applicatio...

Medium: containerd

Issue Overview: A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs. When containers included executable programs with extended...

Important: sssd

Issue Overview: A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. When reusing a socket with an attached dccpshctxccid as a listener, the socket will be used after being released leading to denial of service DoS or a potential code execution. The highest threat from this vulnerability is to data...

Medium: golang

Issue Overview: A race condition flaw was found in Go. The incoming requests body weren't closed after the handler panic and as a consequence this could lead to ReverseProxy crash. The highest threat from this vulnerability is to Availability. CVE-2021-36221 Affected Packages: golang Issue...

Medium: docker

Issue Overview: A bug was found in Moby Docker Engine where attempting to copy files using docker cp into a specially-crafted container can result in Unix file permission changes for existing files in the host 2019s filesystem, widening access to others. This bug does not directly allow files to ...

Medium: openssl

Issue Overview: It was found that openssl assumed ASN.1 strings to be NUL terminated. A malicious actor may be able to force an application into calling openssl function with a specially crafted, non-NUL terminated string to deliberately hit this bug, which may result in a crash of the applicatio...

Important: ca-certificates

Issue Overview: Update of ca-certificates to version 2018.2.22-65.1.24.amzn1 addresses the expiring IdentTrust DST Root CA X3, which affected some Let's Encrypt TLS certificates. The effect of the expiring certificate would be an inability of OpenSSL to validate impacted certificates issued by...

Important: ca-certificates

Issue Overview: Update of ca-certificates to version 2021.2.50-72.amzn2.0.1 addresses the expiring IdentTrust DST Root CA X3, which affected some Let's Encrypt TLS certificates. The effect of the expiring certificate would be an inability of OpenSSL to validate impacted certificates issued by Let...

Important: kernel-livepatch-4.14.232-177.418

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.232-177.418 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.232-177.418 or yum update --advisory ALAS2LIVEPATCH-2021-060 to update your system. New...

Important: kernel-livepatch-4.14.243-185.433

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.243-185.433 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.243-185.433 or yum update --advisory ALAS2LIVEPATCH-2021-062 to update your system. New...

Important: kernel-livepatch-4.14.238-182.422

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.238-182.422 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.238-182.422 or yum update --advisory ALAS2LIVEPATCH-2021-064 to update your system. New...

Important: kernel-livepatch-4.14.241-184.433

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.241-184.433 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.241-184.433 or yum update --advisory ALAS2LIVEPATCH-2021-063 to update your system. New...

Important: kernel-livepatch-4.14.238-182.421

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.238-182.421 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.238-182.421 or yum update --advisory ALAS2LIVEPATCH-2021-061 to update your system. New...

Medium: php-pear

Issue Overview: In ArchiveTar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability than CVE-2020-36193. CVE-2021-32610 Affected Packages: php-pear Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section fo...

Important: exiv2

Issue Overview: A flaw was found in exiv2. A flawed bounds checking in the jp2Image.cpp:doWriteMetadata function leads to a heap-based buffer overflow. This flaw allows an attacker who can provide a malicious image to an application using the exiv2 library, to write data out of bounds and...

Medium: ntp

Issue Overview: The monlist feature in ntprequest.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service traffic amplification via forged 1 REQMONGETLIST or 2 REQMONGETLIST1 requests, as exploited in the wild in December 2013. CVE-2013-5211 Affected Packages: ntp...

Medium: glibc

Issue Overview: An integer overflow flaw was found in glibc that may result in reading of arbitrary memory when wordexp is used with a specially crafted untrusted regular expression input. CVE-2021-35942 Affected Packages: glibc Note: This advisory is applicable to Amazon Linux 2 AL2 Core...

Medium: kernel

Issue Overview: A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "intctl" field, this issue could...

Medium: openldap

Issue Overview: A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo processing, resulting in denial of service. CVE-2020-36225 Affected Packages: openldap Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FA...

Medium: gcc10-binutils

Issue Overview: An issue was discovered in the Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.35.1. A heap-based buffer over-read can occur in bfdgetlsigned32 in libbfd.c because shentsize is not validated in bfdelfslurpsecondaryrelocsection in elf.c. CVE-2020-354...

Important: thunderbird

Issue Overview: If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS handshake, then Thunderbird didn't ignore the injected data. This could have resulted in Thunderbird showing incorrect...

Medium: linuxptp

Issue Overview: A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this...

Medium: curl

Issue Overview: A flaw was found in curl in the way curl handles a file hash mismatch after downloading content using the Metalink feature. This flaw allows malicious actors controlling a hosting server to trick users into downloading malicious content. The highest threat from this vulnerability ...

Important: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Networking. Supported versions that are affected are Java SE: 7u301, 8u291, 11.0.11, 16.0.1; Oracle GraalVM Enterprise Edition: 20.3.2 and 21.1.0. Difficult to exploit vulnerabilit...

Medium: php73

Issue Overview: Several flaws has been found in php. The pdofirebase module does not check the length of the server version string in a response packet causing a stack buffer overflow, does not verify the data and uses the wrong type to cast length leading to a crash, and does not validate the...

Important: glib2

Issue Overview: An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function gbytesnew has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption. CVE-2021-27219 Affected...

Low: tomcat7

Issue Overview: A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to...

Important: lasso

Issue Overview: An XML Signature Wrapping XSW vulnerability was found in Lasso. This flaw allows an attacker to modify a valid SAML response to include an unsigned SAML assertion, which may be used to impersonate another valid user recognized by the service using Lasso. The highest threat from th...

Important: libwebp

Issue Overview: A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

Medium: curl

Issue Overview: A flaw was found in libcurl in the way libcurl handles previously used connections without accounting for 'issuer cert' and comparing the involved paths case-insensitively. This flaw allows libcurl to use the wrong connection. The highest threat from this vulnerability is to...

Important: postgresql-jdbc

Issue Overview: A flaw was found in PostgreSQL JDBC in versions prior to 42.2.13. An XML External Entity XXE weakness was found in PostgreSQL JDBC. The highest threat from this vulnerability is to data confidentiality and system availability. CVE-2020-13692 Affected Packages: postgresql-jdbc Issu...

Important: openvpn

Issue Overview: OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks. CVE-2020-15078 Affected Packages: openvpn...

Medium: tomcat8

Issue Overview: Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly...

Medium: golang

Issue Overview: A flaw was found in Go, acting as an unintended proxy or intermediary, where ReverseProxy forwards connection headers if the first one was empty. This flaw allows an attacker to drop arbitrary headers. The highest threat from this vulnerability is to integrity. CVE-2021-33197 A fl...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel's KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write...

Important: xstream

Issue Overview: A flaw was found in XStream. By manipulating the processed input stream, a remote attacker may be able to obtain sufficient rights to execute commands. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. CVE-2021-2950...

Medium: curl

Issue Overview: A flaw was found in libcurl from versions 7.29.0 through 7.71.1. An application that performs multiple requests with libcurl's multi API, and sets the CURLOPTCONNECTONLY option, might experience libcurl using the wrong connection. The highest threat from this vulnerability is to...

Important: linuxptp

Issue Overview: A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message between ports allows a remote attacker to cause an information leak, crash, or potentially remote code execution. The highest threat from this vulnerability is to da...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel, where a BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack. This issue occurs when the protection mechanism neglects the possibility of uninitialized memory locations on the BPF...

Important: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Libraries. Supported versions that are affected are Java SE: 7u291, 8u281, 11.0.10, 16; Java SE Embedded: 8u281; Oracle GraalVM Enterprise Edition: 19.3.5, 20.3.1...

Medium: golang

Issue Overview: A vulnerability was found in archive/zip of the Go standard library. Applications written in Go can panic or potentially exhaust system memory when parsing malformed ZIP files. CVE-2021-33196 A flaw was found in golang. A panic can be triggered by an attacker in a privileged netwo...