Amazon Linux 2 : librelp (ALAS-2018-998)

Stack-based buffer overflow in relpTcpChkPeerName function in src/tcp.c : rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be exploitable a remote...

Amazon Linux AMI : stunnel / amazon-efs-utils (ALAS-2018-996)

This update adds the checkHost option to stunnel, which verifies the host of the peer certificate subject. Certificates are accepted if no checkHost option was specified, or the host name of the peer certificate matches any of the hosts specified with checkHost. This update adds the OCSPaia optio...

Amazon Linux 2 : curl (ALAS-2018-995)

FTP path trickery leads to NIL byte out of bounds write : It was found that libcurl did not safely parse FTP URLs when using the CURLOPTFTPFILEMETHOD method. An attacker, able to provide a specially crafted FTP URL to an application using libcurl, could write a NULL byte at an arbitrary location,...

Amazon Linux AMI : curl (ALAS-2018-995)

FTP path trickery leads to NIL byte out of bounds write : It was found that libcurl did not safely parse FTP URLs when using the CURLOPTFTPFILEMETHOD method. An attacker, able to provide a specially crafted FTP URL to an application using libcurl, could write a NULL byte at an arbitrary location,...

Amazon Linux 2 : kernel (ALAS-2018-994)

Race condition in the storeintwithrestart function in cpu/mcheck/mce.c : A race condition in the storeintwithrestart function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel allows local users to cause a denial of service panic by leveraging root access to write to the checkinterval file ...

Amazon Linux AMI : kernel (ALAS-2018-993)

Missing length check of payload in net/sctp/smmakechunk.c:sctpmakechunk function allows denial of service : An error in the 'sctpmakechunk' function net/sctp/smmakechunk.c when handling SCTP, packet length can be exploited by a malicious local user to cause a kernel crash and a DoS. CVE-2018-5803...

Amazon Linux AMI : exim (ALAS-2018-997)

This is an update fixeing dec64table OOB read in b64decode. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Amazon Linux AMI Security Advisory ALAS-2018-997. include"compat.inc"; if description scriptid109186; scriptversion"1.1";...

Medium: curl

Issue Overview: FTP path trickery leads to NIL byte out of bounds write: It was found that libcurl did not safely parse FTP URLs when using the CURLOPTFTPFILEMETHOD method. An attacker, able to provide a specially crafted FTP URL to an application using libcurl, could write a NULL byte at an...

Important: slf4j

Issue Overview: Deserialisation vulnerability in EventData constructor can allow for arbitrary code execution: An XML deserialization vulnerability was discovered in slf4j's EventData which accepts anXML serialized string and can lead to arbitrary code execution. CVE-2018-8088 Affected Packages:...

Amazon Linux 2 : kernel (ALAS-2018-939) (Meltdown) (Spectre)

An updated kernel release for Amazon Linux has been made available which prevents speculative execution of indirect branches within the kernel. This release incorporates latest stable open source Linux security improvements to address CVE-2017-5715 within the kernel and builds upon previously...

Amazon Linux 2 : dhcp (ALAS-2018-984)

Buffer overflow in dhclient possibly allowing code execution triggered by malicious server An out-of-bound memory access flaw was found in the way dhclient processed a DHCP response packet. A malicious DHCP server could potentially use this flaw to crash dhclient processes running on DHCP client...

Amazon Linux 2 : 389-ds-base (ALAS-2018-955)

Remote DoS via search filters in slapifiltersprintf in slapd/util.c A stack buffer overflow flaw was found in the way 389-ds-base handled certain LDAP search filters. A remote, unauthenticated attacker could potentially use this flaw to make ns-slapd crash via a specially crafted LDAP request, th...

Amazon Linux 2 : kernel (ALAS-2018-971)

Out-of-bounds write via userland offsets in ebtentry struct in netfilter/ebtables.c : A flaw was found in the Linux kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory. CVE-2018-1068 C Tenable...

Amazon Linux 2 : glibc (ALAS-2018-992)

Integer overflow in malloc functions : The malloc implementation in the GNU C Library aka glibc or libc6, from version 2.24 to 2.26 on powerpc, and only in version 2.26 on i386, did not properly handle malloc calls with arguments close to SIZEMAX and could return a pointer to a heap region that i...

Amazon Linux 2 : mailman (ALAS-2018-985)

Cross-site scripting XSS vulnerability in web UI A cross-site scripting XSS flaw was found in mailman. An attacker, able to trick the user into visiting a specific URL, can execute arbitrary web scripts on the user's side and force the victim to perform unintended actions. CVE-2018-5950 C Tenable...

Amazon Linux 2 : dhcp (ALAS-2018-963)

Omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service It was found that the DHCP daemon did not properly clean up closed OMAPI connections in certain cases. A remote attacker able to connect to the OMAPI port could use this flaw to exhaust file...

Amazon Linux 2 : systemd (ALAS-2018-961)

Access to automounted volumes can lock up A race condition was found in systemd. This could result in automount requests not being serviced and processes using them could hang, causing denial of service.CVE-2018-1049 C Tenable Network Security, Inc. The descriptive text and package checks in this...

Amazon Linux 2 : linux-firmware (ALAS-2018-962) (Spectre)

Speculative execution branch target injection An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the...

Amazon Linux 2 : qemu-kvm (ALAS-2018-942) (Spectre)

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

Amazon Linux 2 : microcode_ctl (ALAS-2018-953) (Spectre)

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...