Important: php-pear

Issue Overview: Tar.php in ArchiveTar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links. CVE-2020-36193 Affected Packages: php-pear Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the...

Important: kernel

Issue Overview: A use-after-free flaw was found in kernel/trace/ringbuffer.c in Linux kernel. There was a race problem in traceopen and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem DOS. This flaw could even allow a local attacker with special use...

Medium: golang

Issue Overview: In Go before 1.14.14 and 1.15.x before 1.15.7, crypto/elliptic/p224.go can generate incorrect outputs, related to an underflow of the lowest limb during the final complete reduction in the P-224 field. CVE-2021-3114 Go before 1.14.14 and 1.15.x before 1.15.7 on Windows is vulnerab...

Medium: python, python3

Issue Overview: A flaw was found in python. A stack-based buffer overflow was discovered in the ctypes module provided within Python. Applications that use ctypes without carefully validating the input passed to it may be vulnerable to this flaw, which would allow an attacker to overflow a buffer...

Medium: openssl

Issue Overview: OpenSSL 1.0.2 supports SSLv2. If a client attempts to negotiate SSLv2 with a server that is configured to support both SSLv2 and more recent SSL and TLS versions then a check is made for a version rollback attack when unpadding an RSA signature. Clients that support SSL or TLS...

Important: thunderbird

Issue Overview: The Mozilla Foundation Security Advisory describes these flaws as: During the plaintext phase of the STARTTLS connection setup, protocol commands could have been injected and evaluated within the encrypted session. CVE-2020-15685 When a HTTPS page was embedded in a HTTP page, and...

Important: ghostscript

Issue Overview: Artifex Ghostscript before 9.25 allowed a user-writable error exception table, which could be used by remote attackers able to supply crafted PostScript to potentially overwrite or replace error handlers to inject code. CVE-2018-17183 Artifex Ghostscript 9.25 and earlier allows...

Medium: perl

Issue Overview: Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow. CVE-2020-10543 Perl before 5.30.3 has an integer overflow related to mishandling of a "PLregkindOPn == NOTHING" situation. A crafted...

Important: ImageMagick

Issue Overview: A flaw was found in ImageMagick. The -authenticate option is mishandled allowing user-controlled password set for a PDF file to possibly inject additional shell commands via coders/pdf.c. The highest threat from this vulnerability is to data confidentiality and integrity as well a...

Important: glibc

Issue Overview: A flaw was found in glibc. When processing input in the EUC-KR encoding, an invalid input sequence could cause glibc to read beyond the end of a buffer, resulting in a segmentation fault. The highest threat from this vulnerability is to system availability. CVE-2019-25013 Affected...

Important: ImageMagick

Issue Overview: A flaw was found in ImageMagick. The -authenticate option is mishandled allowing user-controlled password set for a PDF file to possibly inject additional shell commands via coders/pdf.c. The highest threat from this vulnerability is to data confidentiality and integrity as well a...

Medium: php7-pear

Issue Overview: Tar.php in ArchiveTar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links. cve-2020-36193 Affected Packages: php7-pear Issue Correction: Run yum update php7-pear or yum update --advisory ALAS-2021-1481 to update your system...

Important: kernel

Issue Overview: A use-after-free flaw was found in kernel/trace/ringbuffer.c in Linux kernel. There was a race problem in traceopen and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem DOS. This flaw could even allow a local attacker with special use...

Important: kernel-livepatch-4.14.209-160.339

Issue Overview: A flaw was found in the Linux kernel's implementation of the Linux SCSI target host, where an authenticated attacker could write to any block on the exported SCSI device backing store. This flaw allows an authenticated attacker to send LIO block requests to the Linux system to...

Important: kernel-livepatch-4.14.203-156.332

Issue Overview: A flaw was found in the Linux kernel's implementation of the Linux SCSI target host, where an authenticated attacker could write to any block on the exported SCSI device backing store. This flaw allows an authenticated attacker to send LIO block requests to the Linux system to...

Important: kernel-livepatch-4.14.214-160.339

Issue Overview: A flaw was found in the Linux kernel's implementation of the Linux SCSI target host, where an authenticated attacker could write to any block on the exported SCSI device backing store. This flaw allows an authenticated attacker to send LIO block requests to the Linux system to...

Important: kernel-livepatch-4.14.209-160.335

Issue Overview: A flaw was found in the Linux kernel's implementation of the Linux SCSI target host, where an authenticated attacker could write to any block on the exported SCSI device backing store. This flaw allows an authenticated attacker to send LIO block requests to the Linux system to...

Important: kernel-livepatch-4.14.200-155.322

Issue Overview: A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/ttyio.c and drivers/tty/ttyjobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24. CVE-2020-29660 A locking vulnerability was found in the...

Medium: python-rtslib

Issue Overview: A flaw was found in Open-iSCSI rtslib-fb through versions 2.1.72, where it has weak permissions for /etc/target/saveconfig.json because the shutil.copyfile, instead of shutil.copy is used, and permissions are not preserved upon editing. This flaw allows an attacker with prior acce...

Important: xstream

Issue Overview: A flaw was found in xstream. An unsafe deserialization of user-supplied XML, in conjunction with relying on the default deny list, allows a remote attacker to perform a variety of attacks including a remote code execution of arbitrary code in the context of the JVM running the...

Medium: targetcli

Issue Overview: An access flaw was found in targetcli, where the /etc/target and underneath backup directory/files were world-readable. This flaw allows a local attacker to access potentially sensitive information such as authentication credentials from the /etc/target/saveconfig.json and backup...

Critical: thunderbird

Issue Overview: A malicious peer could have modified a COOKIE-ECHO chunk in a SCTP packet in a way that potentially resulted in a use-after-free. We presume that with enough effort it could have been exploited to run arbitrary code. CVE-2020-16044 Affected Packages: thunderbird Note: This advisor...

Important: sudo

Issue Overview: When sudo runs a command in shell mode, either via the -s or -i command line option, it escapes special characters in the command's arguments with a backslash. The sudoers policy plugin will then remove the escape characters from the arguments before evaluating the sudoers policy...

Important: sudo

Issue Overview: When sudo runs a command in shell mode, either via the -s or -i command line option, it escapes special characters in the command's arguments with a backslash. The sudoers policy plugin will then remove the escape characters from the arguments before evaluating the sudoers policy...

Medium: dnsmasq

Issue Overview: A flaw was found in dnsmasq. When getting a reply from a forwarded query, dnsmasq checks in the forward.c:replyquery if the reply destination address/port is used by the pending forwarded queries. However, it does not use the address/port to retrieve the exact forwarded query,...

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,...

Important: xorg-x11-server

Issue Overview: A flaw was found in the way the Xserver memory was not properly initialized. This issue leak parts of server memory to the X client. In cases where the Xorg server runs with elevated privileges, this flaw results in a possible ASLR bypass. CVE-2020-14347 A flaw was found in the...

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...

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: 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...

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...

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...

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: 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: 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...

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: 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...

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: 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: 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: 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: 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...

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...

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: 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: 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 Note:...

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...