Amazon Linux AMI : kernel (ALAS-2019-1149)

A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bcsvcprocess use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and ...

Amazon Linux 2 : httpd (ALAS-2019-1155)

In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2...

Amazon Linux 2 : jasper (ALAS-2019-1150)

The JPCNOMINALGAIN function in jpc/jpct1cod.c in JasPer through 2.0.12 allows remote attackers to cause a denial of service JPCCOXRFT assertion failure via unspecified vectors.CVE-2016-9396 JasPer 2.0.12 is vulnerable to a NULL pointer exception in the function jp2encode which failed to check to...

Amazon Linux AMI : sssd (ALAS-2018-1127)

The UNIX pipe which sudo uses to contact SSSD and read the available sudo rules from SSSD utilizes too broad of a set of permissions. Any user who can send a message using the same raw protocol that sudo and SSSD use can read the sudo rules available for any user. CVE-2018-10852 C Tenable Network...

Amazon Linux 2 : libcdio (ALAS-2019-1151)

A heap corruption bug was found in the way libcdio handled processing of ISO files. An attacker could potentially use this flaw to crash applications using libcdio by tricking them into processing crafted ISO files, thus resulting in local DoS.CVE-2017-18198 A double-free flaw was found in the wa...

Amazon Linux AMI : curl (ALAS-2019-1148)

A heap use-after-free flaw was found in curl related to closing an easy handle. When closing and cleaning up an 'easy' handle in the Curlclose function, the library code first frees a struct without nulling the pointer and might then subsequently erroneously write to a struct field within that...

Amazon Linux 2 : kernel (ALAS-2019-1149)

A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bcsvcprocess use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and ...

Amazon Linux AMI : krb5 (ALAS-2018-1129)

MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to circumvent a DN containership check by supplying both a 'linkdn' and 'containerdn' database argument, or by supplying a DN string which is a left extension of a container DN stri...

Amazon Linux 2 : keepalived (ALAS-2019-1154)

Heap-based buffer overflow vulnerability in extractstatuscode function in lib/html.c that parses HTTP status code returned from web server allows malicious web server or man-in-the-middle attacker pretending to be a web server to cause either a denial of service or potentially execute arbitrary...

Medium: httpd

Issue Overview: In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2...

Amazon Linux AMI : clamav (ALAS-2019-1146)

An issue was discovered in kwajdreadheaders in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.CVE-2018-14681 An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the TOLOWER mac...

Amazon Linux AMI : kernel (ALAS-2019-1145)

The USB subsystem mishandles size checks during the reading of an extra descriptor, related to usbgetextradescriptor in drivers/usb/core/usb.c.CVE-2018-20169 A flaw was found where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition betwe...

Amazon Linux AMI : php56 / php70,php71,php72 (ALAS-2019-1147)

ext/imap/phpimap.c in PHP 5.x and 7.x before 7.3.0 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via an empty string in the message argument to the imapmail function.CVE-2018-19935 University of Washington IMAP Toolkit 2007f on UNIX, as used i...

Amazon Linux 2 : glibc (ALAS-2019-1140)

In the GNU C Library aka glibc or libc6 through 2.28, attempting to resolve a crafted hostname via getaddrinfo leads to the allocation of a socket descriptor that is not closed. This is related to the ifnametoindex function.CVE-2018-19591 C Tenable Network Security, Inc. The descriptive text and...

Amazon Linux 2 : kernel (ALAS-2019-1145)

The USB subsystem mishandles size checks during the reading of an extra descriptor, related to usbgetextradescriptor in drivers/usb/core/usb.c.CVE-2018-20169 A flaw was found where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition betwe...

Amazon Linux 2 : systemd (ALAS-2019-1141)

Large syslogd messages sent to journald can cause stack corruption, causing journald to crash. The version of systemd on Amazon Linux 2 is not vulnerable to privilege escalation in this case. CVE-2018-16864 Large native messages to journald can cause stack corruption, leading to possible local...

Amazon Linux 2 : NetworkManager (ALAS-2019-1144)

It was discovered that systemd-network does not correctly keep track of a buffer size when constructing DHCPv6 packets. This flaw may lead to an integer underflow that can be used to produce an heap-based buffer overflow. A malicious host on the same network segment as the victim's one may...

Amazon Linux 2 : binutils (ALAS-2019-1138)

An integer wraparound has been discovered in the Binary File Descriptor BFD library distributed in GNU Binutils up to version 2.30. An attacker could cause a crash by providing an ELF file with corrupted DWARF debug information.CVE-2018-7568 The ignoresectionsym function in elf.c in the Binary Fi...

Amazon Linux 2 : ruby (ALAS-2019-1143)

An issue was discovered in the OpenSSL library in Ruby. When two OpenSSL::X509::Name objects are compared using ==, depending on the ordering, non-equal objects may return true. When the first argument is one character longer than the second, or the second argument contains a character that is on...

Amazon Linux 2 : zziplib (ALAS-2019-1142)

An improper input validation was found in function zzipfetchdisktrailer of ZZIPlib, up to 0.13.68, that could lead to a crash in zzipparserootdirectory function of zzip/ip.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.CVE-2018-7726 A...