Important: kernel

Issue Overview: A use-after-free flaw was found in the Linux kernel's NFC LLCP protocol implementation in the way the user performs manipulation with an unknown input for the llcpsockbind function. This flaw allows a local user to crash or escalate their privileges on the system. CVE-2020-25670 A...

Important: polkit

Issue Overview: A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec application is a setuid tool designed to allow unprivileged users to run commands as privileged users according predefined policies. The current version of pkexec doesn't handle the calling...

Medium: vim

Issue Overview: Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand parameter. CVE-2020-20703 vim is vulnerable to Heap-based Buffer Overflow CVE-2021-3903 A flaw was found in vim. A possible heap-based buffer overflow could allow an...

Medium: vim

Issue Overview: vim is vulnerable to Heap-based Buffer Overflow CVE-2021-3903 A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to data...

Medium: containerd

Issue Overview: A flaw was found in containerd. Credentials may be leaked during an image pull. CVE-2020-15157 Affected Packages: containerd Issue Correction: Run yum update containerd or yum update --advisory ALAS-2021-1555 to update your system. New Packages: src: ...

Medium: python-pip

Issue Overview: A flaw was found in python-urllib3. SSL certificate validation is omitted in some cases involving HTTPS to HTTPS proxies. The initial connection to the HTTPS proxy if an SSLContext isn't given via proxyconfig doesn't verify the hostname of the certificate. This means certificates...

Important: cyrus-imapd

Issue Overview: A flaw was found in cyrus-imapd. A bad string hashing algorithm used in internal hash tables allows user inputs to be stored in predictable buckets. A user may cause a CPU denial of service by maliciously directing many inputs to a single bucket. The highest threat from this...

Medium: krb5

Issue Overview: A flaw was found in krb5. The Key Distribution Center KDC in MIT Kerberos 5 has a NULL pointer dereference via a FAST inner body that lacks a server field. An authenticated attacker could use this flaw to crash the Kerberos KDC server. The highest threat from this vulnerability is...

Important: mailman

Issue Overview: Cross-site request forgery CSRF vulnerability in the user options page in GNU Mailman 2.1.x before 2.1.23 allows remote attackers to hijack the authentication of arbitrary users for requests that modify an option, as demonstrated by gaining access to the credentials of a victim's...

Medium: busybox

Issue Overview: A flaw was found in BusyBox, where it did not properly sanitize while processing a crafted shell command, leading to a denial of service. The highest threat from this vulnerability is to system availability. CVE-2021-42376 A flaw was found in BusyBox, where it did not properly...

Important: runc

Issue Overview: runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfslinux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory. CVE-2019-16884 A flaw was...

Low: glibc

Issue Overview: The mqnotify function in the GNU C Library aka glibc has a use-after-free. It may use the notification thread attributes object passed through its struct sigevent parameter after it has been freed by the caller, leading to a denial of service application crash or possibly...

Important: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: JSSE. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Difficult to exploit vulnerability allows...

Important: log4j

Issue Overview: It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the...

Important: xorg-x11-server

Issue Overview: A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the SProcRenderCompositeGlyphs function due to improper validation of the request length. CVE-2021-4008 A flaw was found in xorg-x11-server. An out-of-bounds access can occur in the...

Important: httpd24

Issue Overview: There's a null pointer dereference and server-side request forgery flaw in httpd's modproxy module, when it is configured to be used as a forward proxy. A crafted packet could be sent on the adjacent network to the forward proxy that could cause a crash, or potentially SSRF via...

Important: httpd

Issue Overview: There's a null pointer dereference and server-side request forgery flaw in httpd's modproxy module, when it is configured to be used as a forward proxy. A crafted packet could be sent on the adjacent network to the forward proxy that could cause a crash, or potentially SSRF via...

Medium: log4j

Issue Overview: A flaw was found in the Java logging library Apache Log4j in version 1.x . This allows a remote attacker to execute code on the server if the deployed application is configured to use JMSAppender. This flaw has been filed for Log4j 1.x, the corresponding flaw information for Log4j...

Medium: openjpeg2

Issue Overview: Division-by-zero vulnerabilities in the functions pinextpcrl, pinextcprl, and pinextrpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service application crash. CVE-2018-20845 An improper computation of ptx0, ptx1, pty0 and pty1 in the...

Medium: aws-kinesis-agent

Issue Overview: Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 are vulnerable to a remote code execution RCE attack where an attacker with permission to modify the logging configuration file can construct a malicious configuration using a JDBC...

Important: freerdp

Issue Overview: A flaw was found in the FreeRDP client when it fails to validate input data when using gateway connections. This flaw could allow a malicious gateway to send a specially crafted input to a client leading to an out of bounds write in client memory. The highest threat from this flaw...

Medium: aws-kinesis-agent

Issue Overview: A flaw was found in the Apache Log4j logging library 2.x. when the logging configuration uses a non-default Pattern Layout with a Context Lookup. Attackers with control over Thread Context Map MDC input data can craft malicious input data that contains a recursive lookup and can...

Important: log4j-cve-2021-44228-hotpatch

Issue Overview: The Apache Log4j hotpatch package starting with log4j-cve-2021-44228-hotpatch-1.1-13 will now explicitly mimic the permissions of the JVM attempting to be updated. Affected Packages: log4j-cve-2021-44228-hotpatch Issue Correction: Run yum update log4j-cve-2021-44228-hotpatch or yu...

Important: log4j-cve-2021-44228-hotpatch

Issue Overview: The Apache Log4j hotpatch package starting with log4j-cve-2021-44228-hotpatch-1.1-13 will now explicitly mimic the permissions of the JVM attempting to be updated. Affected Packages: log4j-cve-2021-44228-hotpatch Note: This advisory is applicable to Amazon Linux 2 AL2 Core...

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...

Medium: kernel-livepatch-4.14.248-189.473

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.248-189.473 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.248-189.473 or yum update --advisory ALAS2LIVEPATCH-2021-071 to update your system. New...

Critical: java-17-amazon-corretto, java-11-amazon-corretto, java-1.8.0-openjdk, java-1.7.0-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: kernel-livepatch-5.10.68-62.173

Issue Overview: A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access t...

Critical: java-1.8.0-amazon-corretto

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...

Medium: kernel-livepatch-4.14.252-195.483

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.252-195.483 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.252-195.483 or yum update --advisory ALAS2LIVEPATCH-2021-069 to update your system. New...

Medium: kernel-livepatch-4.14.252-195.481

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.252-195.481 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.252-195.481 or yum update --advisory ALAS2LIVEPATCH-2021-070 to update your system. New...

Important: kernel-livepatch-5.10.62-55.141

Issue Overview: A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access t...

Critical: java-11-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...

Medium: kernel-livepatch-4.14.246-187.474

Issue Overview: No CVE associated with this advisory Affected Packages: kernel-livepatch-4.14.246-187.474 Issue Correction: Please ensure you have live patching enabled. Run yum update kernel-livepatch-4.14.246-187.474 or yum update --advisory ALAS2LIVEPATCH-2021-072 to update your system. New...

Critical: aws-kinesis-agent

Issue Overview: Amazon Kinesis Agent versions within Amazon Linux 2 AL2 prior to aws-kinesis-agent-2.0.4-1 included a version of Apache Log4j affected by CVE-2021-44228 and CVE-2021-45046. The Amazon Kinesis Agent has been updated to aws-kinesis-agent-2.0.4-1 within Amazon Linux 2 that mitigates...

Important: xstream

Issue Overview: A flaw was found in xstream, a simple library used to serialize objects to XML and back again. This flaw allows a remote attacker to load and execute arbitrary code from a remote host by manipulating the processed input stream. The highest threat from this vulnerability is to...

Medium: kernel

Issue Overview: A flaw use-after-free in function scosocksendmsg of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIOREGISTER or other way triggers race condition of the call scoconndel together with the call scosocksendmsg with the expected controllable faulting memory...

Medium: vim

Issue Overview: Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand parameter. CVE-2020-20703 A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash ...

Low: 389-ds-base

Issue Overview: A flaw was found in 389-ds-base. If an asterisk is imported as password hashes, either accidentally or maliciously, then instead of being inactive, any password will successfully match during authentication. This flaw allows an attacker to successfully authenticate as a user whose...

Medium: curl

Issue Overview: A flaw was found in libcurl. When sending data to an MQTT server could in some situations lead to libcurl using already freed memory and then try to free it again. The highest threat from this vulnerability is to data confidentiality as well as system availability. CVE-2021-22945 ...

Important: cyrus-imapd

Issue Overview: A flaw was found in cyrus-imapd. A bad string hashing algorithm used in internal hash tables allows user inputs to be stored in predictable buckets. A user may cause a CPU denial of service by maliciously directing many inputs to a single bucket. The highest threat from this...

Important: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: JSSE. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Difficult to exploit vulnerability allows...

Critical: nss

Issue Overview: NSS Network Security Services up to and including 3.73 is vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS \7, or PKCS \12 are likely to be impacted. Applications...

Critical: nss, nss-util, nss-softokn, nspr

Issue Overview: NSS Network Security Services up to and including 3.73 is vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS \7, or PKCS \12 are likely to be impacted. Applications...

Medium: containerd

Issue Overview: A flaw was found in containerd. Credentials may be leaked during an image pull. CVE-2020-15157 Affected Packages: containerd Note: This advisory is applicable to Amazon Linux 2 - Nitro-enclaves Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and this FAQ secti...

Medium: containerd

Issue Overview: A flaw was found in containerd. Access controls for the shim's API socket verified that a connecting process had an effective UID of 0, but otherwise did not restrict access to the abstract Unix domain socket. This could allow malicious containers running in the same network...

Medium: containerd, docker

Issue Overview: In the OCI Distribution Specification version 1.0.0 and prior and in the OCI Image Specification version 1.0.1 and prior, manifest and index documents are ambiguous without an accompanying Content-Type HTTP header. Versions of Moby Docker Engine prior to 20.10.11 and versions of...

Medium: containerd, docker

Issue Overview: In the OCI Distribution Specification version 1.0.0 and prior and in the OCI Image Specification version 1.0.1 and prior, manifest and index documents are ambiguous without an accompanying Content-Type HTTP header. Versions of Moby Docker Engine prior to 20.10.11 and versions of...

Medium: docker

Issue Overview: A flaw was found in the userns-remap feature of Docker. The root user in the remapped namespace can modify files under /var/lib/docker/, leading to possible privilege escalation to the root user in the host. The highest threat from this vulnerability is to data integrity...

Medium: docker

Issue Overview: A flaw was found in the userns-remap feature of Docker. The root user in the remapped namespace can modify files under /var/lib/docker/, leading to possible privilege escalation to the root user in the host. The highest threat from this vulnerability is to data integrity...