Amazon Linux 2 : libmspack (ALAS-2019-1310)

In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.CVE-2018-18584 chmdreadheaders in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' a...

Amazon Linux 2 : optipng (ALAS-2019-1313)

The bmpreadrows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service invalid memory write and crash via a series of delta escapes in a crafted BMP image.CVE-2016-2191 C Tenable Network Security, Inc. The descriptive text and package checks i...

Medium: libmspack

Issue Overview: In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.CVE-2018-18584 chmdreadheaders in mspack/chmd.c in libmspack before 0.8alpha accepts a filename...

Amazon Linux 2 : libxml2 (ALAS-2019-1301)

xpointer.c in libxml2 before 2.9.5 as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3, and other products does not forbid namespace nodes in XPointer ranges, which allows remote attackers to execute arbitrary code or cause a denial of service use-after-free an...

Amazon Linux 2 : nss (ALAS-2019-1305)

A cached side channel attack during handshakes using RSA encryption could allow for the decryption of encrypted content. This is a variant of the Adaptive Chosen Ciphertext attack AKA Bleichenbacher attack and affects all NSS versions prior to NSS 3.41. CVE-2018-12404 Libgcrypt before 1.7.10 and...

Amazon Linux 2 : ncurses (ALAS-2019-1302)

In ncurses 6.0, there is an attempted 0xffffffffffffffff access in the appendacs function of tinfo/parseentry.c. It could lead to a remote denial of service attack if the terminfo library code is used to process untrusted terminfo data. CVE-2017-11112 In ncurses 6.0, there is a NULL pointer...

Amazon Linux 2 : libssh2 (ALAS-2019-1303)

An out of bounds read flaw was discovered in libssh2 in the way SSHMSGCHANNELREQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a denial of service or read data in the client memory. CVE-2019-3862 C Tenable...

Medium: libssh2

Issue Overview: An out of bounds read flaw was discovered in libssh2 in the way SSHMSGCHANNELREQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a denial of service or read data in the client memory...

Medium: nss

Issue Overview: A cached side channel attack during handshakes using RSA encryption could allow for the decryption of encrypted content. This is a variant of the Adaptive Chosen Ciphertext attack AKA Bleichenbacher attack and affects all NSS versions prior to NSS 3.41. CVE-2018-12404 Libgcrypt...

Amazon Linux 2 : kernel (ALAS-2019-1293)

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 user-space...

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...

Amazon Linux 2 : kernel (ALAS-2019-1280)

A buffer overflow due to a singed-unsigned comparsion was found in hidpprocessreport in the net/bluetooth/hidp/core.c in the Linux kernel. The buffer length is an unsigned int but gets cast to a signed int which in certain conditions can lead to a system panic and a denial-of-service. CVE-2018-93...

Amazon Linux 2 : edk2 (ALAS-2019-1290)

Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access. CVE-2018-12182 Stack overflow in XHCI for EDK II may allow an unauthenticated user to...

Amazon Linux 2 : kernel (ALAS-2019-1279)

An issue was discovered in the fdlockedioctl function in drivers/block/floppy.c in the Linux kernel. The floppy driver will copy a kernel pointer to user memory in response to the FDGETPRM ioctl. An attacker can send the FDGETPRM ioctl and use the obtained kernel pointer to discover the location ...

Amazon Linux 2 : python (ALAS-2019-1291)

urllib in Python 2.7.16 supports the localfile: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen'localfile:///etc/passwd' call. CVE-2019-9948 C Tenable Network Security, Inc. The descriptiv...

Amazon Linux 2 : oniguruma (ALAS-2019-1288)

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, with a multi-byte...

Amazon Linux 2 : glib2 (ALAS-2019-1289)

filecopyfallback in gio/gfile.c in GNOME GLib 2.56.1 does not properly restrict file permissions while a copy operation is in progress. Instead, default permissions are used. CVE-2019-12450 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from...

Amazon Linux 2 : mariadb (ALAS-2019-1292)

Vulnerability in the MySQL Server component of Oracle MySQL subcomponent: Server: Connection Handling. Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows low privileged attacker with access to the physical...

Low: kernel

Issue Overview: A flaw was found in the Linux kernel in the hiddebugeventsread function in the drivers/hid/hid-debug.c file. A lack of the certain checks may allow a privileged user "root" to achieve an out-of-bounds write and thus receiving user space buffer corruption. CVE-2018-9516 Affected...

Medium: kernel

Issue Overview: NOTE: This ALAS is a duplicate of ALAS2-2019-1280. The CVEs listed here are fixed in the referenced ALAS. Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras...