Important: kernel

Issue Overview: In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in mutexlock in kernel/locking/mutex.c. This is related to mutexcanspinonowner in kernel/locking/mutex.c,...

Important: kernel

Issue Overview: In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in mutexlock in kernel/locking/mutex.c. This is related to mutexcanspinonowner in kernel/locking/mutex.c,...

Medium: bind

Issue Overview: A flaw was found in bind. An assertion failure can occur when trying to verify a truncated response to a TSIG-signed request. The highest threat from this vulnerability is to system availability. CVE-2020-8622 Affected Packages: bind Issue Correction: Run yum update bind or yum...

Medium: tigervnc

Issue Overview: TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder. If decoding routine would throw an exception, ZRLEDecoder may try to access stack variable, which has been already freed during the process...

Important: net-snmp

Issue Overview: A flaw was found in Net-SNMP through version 5.73, where an Improper Privilege Management issue occurs due to SNMP WRITE access to the EXTEND MIB allows running arbitrary commands as root. The highest threat from this vulnerability is to confidentiality, integrity, as well as syst...

Medium: e2fsprogs

Issue Overview: An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability...

Medium: tomcat8

Issue Overview: While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent...

Medium: vim

Issue Overview: A flaw was found in vim in the restricted mode, where all commands that make use of external shells are disabled. However, it was found that users could still execute some arbitrary OS commands in the restricted mode. This flaw was fixed by filtering the functions that can call OS...

Critical: samba

Issue Overview: A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to gain access to certain file and directory information which otherwise would be unavailable to the attacker. CVE-2020-14318 A null pointer dereference flaw was fou...

Medium: qemu-kvm

Issue Overview: A use-after-free issue was found in the SLiRP networking implementation of the QEMU emulator. The issue occurs in ipreass routine while reassembling incoming packets, if the first fragment is bigger than the m-mdat buffer. A user or process could use this flaw to crash the QEMU...

Important: libX11

Issue Overview: An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to...

Low: tomcat7

Issue Overview: A flaw was found in Apache Tomcat. The HTTP header parsing code used an approach to end-of-line EOL parsing that allowed some invalid HTTP headers to be parsed as valid. This led to the possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that...

Medium: php7-pear

Issue Overview: ArchiveTar through 1.4.10 allows an unserialization attack because phar: is blocked but PHAR: is not blocked. CVE-2020-28948 ArchiveTar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack such as file:// to overwrite...

Medium: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Serialization. Supported versions that are affected are Java SE: 7u271, 8u261, 11.0.8 and 15; Java SE Embedded: 8u261. Difficult to exploit vulnerability allows unauthenticated attacker with networ...

Important: xorg-x11-server

Issue Overview: A flaw was found in X.Org Server. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. CVE-2020-14345 A flaw was found i...

Medium: libxslt

Issue Overview: libxslt through 1.1.33 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-2019-110...

Important: postgresql95, postgresql96

Issue Overview: A flaw was found in postgresql. If a client application that creates additional database connections only reuses the basic connection parameters while dropping security-relevant parameters, an opportunity for a man-in-the-middle attack, or the ability to observe clear-text...

Medium: expat

Issue Overview: It was discovered that the "setElementTypePrefix" function incorrectly extracted XML namespace prefixes. By tricking an application into processing a specially crafted XML file, an attacker could cause unusually high consumption of memory resources and possibly lead to a denial of...

Medium: ruby20

Issue Overview: An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy whi...

Medium: golang

Issue Overview: Go before 1.14.12 and 1.15.x before 1.15.4 allows Denial of Service. CVE-2020-28362 Go before 1.14.12 and 1.15.x before 1.15.5 allows Code Injection. CVE-2020-28366 Go before 1.14.12 and 1.15.x before 1.15.5 allows Argument Injection. CVE-2020-28367 Affected Packages: golang Issue...

Medium: kernel

Issue Overview: A use-after-free flaw was found in the debugfsremove function in the Linux kernel. The flaw could allow a local attacker with special user or root privilege to crash the system at the time of file or directory removal. This vulnerability can lead to a kernel information leak. The...

Medium: mysql56

Issue Overview: Vulnerability in the MySQL Server product of Oracle MySQL component: Server: Stored Procedure. Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via...

Important: libexif

Issue Overview: A flaw was found in libexif. A possible out of bounds write, due ot an integer overflow, could lead to a remote code execution if a third party app used this library to process remote image data. The highest threat from this vulnerability is to data confidentiality and integrity a...

Medium: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Serialization. Supported versions that are affected are Java SE: 7u271, 8u261, 11.0.8 and 15; Java SE Embedded: 8u261. Difficult to exploit vulnerability allows unauthenticated attacker with networ...

Critical: samba

Issue Overview: A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to gain access to certain file and directory information which otherwise would be unavailable to the attacker. CVE-2020-14318 A null pointer dereference flaw was fou...

Medium: pacemaker

Issue Overview: An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the...

Important: thunderbird

Issue Overview: When drawing a transparent image on top of an unknown cross-origin image, the Skia library drawImage function took a variable amount of time depending on the content of the underlying image. This resulted in potential cross-origin information exposure of image content through timi...

Medium: php-pear

Issue Overview: ArchiveTar through 1.4.10 allows an unserialization attack because phar: is blocked but PHAR: is not blocked. CVE-2020-28948 ArchiveTar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack such as file:// to overwrite...

Important: net-snmp

Issue Overview: A flaw was found in Net-SNMP through version 5.73, where an Improper Privilege Management issue occurs due to SNMP WRITE access to the EXTEND MIB allows running arbitrary commands as root. The highest threat from this vulnerability is to confidentiality, integrity, as well as syst...

Important: libuv

Issue Overview: Node.js 12.18.4 and 14.11 can be exploited to perform HTTP desync attacks and deliver malicious payloads to unsuspecting users. The payloads can be crafted by an attacker to hijack user sessions, poison cookies, perform clickjacking, and a multitude of other attacks depending on t...

Medium: chrony

Issue Overview: A flaw was found in chrony when creating the PID file under the /var/run/chrony folder. The file is created during chronyd startup while still running as the root user, and when it's opened for writing, chronyd does not check for an existing symbolic link with the same file name...

Medium: gd

Issue Overview: An integer overflow, leading to a heap-based buffer overflow was found in the imagecreatefromgd2 function of PHP's gd extension. A remote attacker could use this flaw to crash a PHP application or execute arbitrary code with the privileges of the user running that PHP application,...

Medium: cloud-init

Issue Overview: The default cloud-init configuration included "sshdeletekeys: 0", disabling cloud-init's deletion of ssh host keys. In some environments, this could lead to instances created by cloning a golden master or template system, sharing ssh host keys, and being able to impersonate one...

Medium: golang

Issue Overview: Go before 1.14.12 and 1.15.x before 1.15.4 allows Denial of Service. CVE-2020-28362 Go before 1.14.12 and 1.15.x before 1.15.5 allows Code Injection. CVE-2020-28366 Go before 1.14.12 and 1.15.x before 1.15.5 allows Argument Injection. CVE-2020-28367 Affected Packages: golang Note:...

Medium: kernel-livepatch-4.14.198-152.320

Issue Overview: A flaw was found in the capabilities check of the rados block device functionality in the Linux kernel. Incorrect capability checks could alllow a local user with root priviledges but no capabilities to add or remove Rados Block Devices from the system. CVE-2020-25284 Affected...

Medium: kernel-livepatch-4.14.193-149.317

Issue Overview: A flaw was found in the Linux kernel. A local attacker, able to inject conntrack netlink configuration, could overflow a local buffer causing crashes or triggering the use of incorrect protocol numbers in ctnetlinkparsetuplefilter in net/netfilter/nfconntracknetlink.c. The highest...

Medium: kernel-livepatch-4.14.192-147.314

Issue Overview: A flaw was found in the Linux kernel. A local attacker, able to inject conntrack netlink configuration, could overflow a local buffer causing crashes or triggering the use of incorrect protocol numbers in ctnetlinkparsetuplefilter in net/netfilter/nfconntracknetlink.c. The highest...

Medium: tomcat8

Issue Overview: While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent...

Medium: tigervnc

Issue Overview: TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder. If decoding routine would throw an exception, ZRLEDecoder may try to access stack variable, which has been already freed during the process...

Low: tomcat7

Issue Overview: A flaw was found in Apache Tomcat. The HTTP header parsing code used an approach to end-of-line EOL parsing that allowed some invalid HTTP headers to be parsed as valid. This led to the possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that...

Medium: bind

Issue Overview: A flaw was found in bind. An assertion failure can occur when trying to verify a truncated response to a TSIG-signed request. The highest threat from this vulnerability is to system availability. CVE-2020-8622 Affected Packages: bind Issue Correction: Run yum update bind to update...

Medium: e2fsprogs

Issue Overview: An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability...

Medium: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Serialization. Supported versions that are affected are Java SE: 7u271, 8u261, 11.0.8 and 15; Java SE Embedded: 8u261. Difficult to exploit vulnerability allows unauthenticated attacker with networ...

Important: libX11

Issue Overview: An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to...

Medium: qemu-kvm

Issue Overview: A use-after-free issue was found in the SLiRP networking implementation of the QEMU emulator. The issue occurs in ipreass routine while reassembling incoming packets, if the first fragment is bigger than the m-mdat buffer. A user or process could use this flaw to crash the QEMU...

Important: xorg-x11-server

Issue Overview: A flaw was found in X.Org Server. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. CVE-2020-14345 A flaw was found i...

Medium: libxslt

Issue Overview: libxslt through 1.1.33 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-2019-110...

Medium: kernel

Issue Overview: A use-after-free flaw was found in the debugfsremove function in the Linux kernel. The flaw could allow a local attacker with special user or root privilege to crash the system at the time of file or directory removal. This vulnerability can lead to a kernel information leak. The...

Medium: ruby20

Issue Overview: An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy whi...

Medium: expat

Issue Overview: It was discovered that the "setElementTypePrefix" function incorrectly extracted XML namespace prefixes. By tricking an application into processing a specially crafted XML file, an attacker could cause unusually high consumption of memory resources and possibly lead to a denial of...