Medium: python3

Issue Overview: A null pointer dereference vulnerability was found in the certificate parsing code in Python. This causes a denial of service to applications when parsing specially crafted certificates. This vulnerability is unlikely to be triggered if application enables SSL/TLS certificate...

Medium: golang

Issue Overview: Go mishandles P-521 and P-384 elliptic curves, which allows attackers to cause a denial of service CPU consumption or possibly conduct ECDH private key recovery attacks.CVE-2019-6486 Note: This CVE is also fixed in golang-1.11.3-2.amzn2.0.2 in the golang1.11 extras repository...

Important: kernel

Issue Overview: In the Linux kernel afalgrelease in crypto/afalg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free UAF in sockfssetattr. A local attacker can use this flaw to escalate privileges and take control of the system.CVE-2019-8912 Affected...

Amazon Linux 2 : curl (ALAS-2019-1162)

libcurl is vulnerable to a heap buffer out-of-bounds read. The function handling incoming NTLM type-2 messages lib/vauth/ntlm.c:ntlmdecodetype2target does not validate incoming data correctly and is subject to an integer overflow vulnerability. Using that overflow, a malicious or broken NTLM serv...

Amazon Linux 2 : systemd (ALAS-2019-1164)

It was found that busprocessobject in bus-objects.c allocates a buffer on the stack large enough to temporarily store the object path specified in the incoming message. A malicious unprivileged local user to send a message which results in the stack pointer moving outside of the bounds of the...

Amazon Linux 2 : setup (ALAS-2019-1158)

Setup in Amazon Linux 2 added /sbin/nologin and /usr/sbin/nologin to /etc/shells. This violates security assumptions made by pamshells and some daemons which allow access based on a user's shell being listed in /etc/shells. Under some circumstances, users which had their shell changed to...

Amazon Linux 2 : systemd (ALAS-2019-1160)

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when a program with long command line arguments calls syslog. A local attacker may use this flaw to crash systemd-journald or escalate...

Amazon Linux 2 : thunderbird (ALAS-2019-1157)

Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3 CVE-2018-12390 Crash with nested event loops CVE-2018-12392 Memory safety bugs fixed in Firefox ESR 60.3 CVE-2018-12389 Integer overflow during Unicode conversion while loading JavaScript CVE-2018-12393 C Tenable Network Security, Inc. T...

Amazon Linux 2 : libvncserver (ALAS-2019-1161)

LibVNC contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution CVE-2018-15127 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Amazon Linux 2 Security Advisory...

Amazon Linux 2 : php-pear (ALAS-2019-1159)

PEAR ArchiveTar version 1.4.3 and earlier contains a CWE-502, CWE-915 vulnerability in the ArchiveTar class. There are several file operations with $vheader'filename' as parameter such as fileexists, isfile, isdir, etc. When extract is called without a specific prefix path, we can trigger...

Low: setup

Issue Overview: Setup in Amazon Linux 2 added /sbin/nologin and /usr/sbin/nologin to /etc/shells. This violates security assumptions made by pamshells and some daemons which allow access based on a user's shell being listed in /etc/shells. Under some circumstances, users which had their shell...

Important: systemd

Issue Overview: 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'...

Critical: thunderbird

Issue Overview: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3 CVE-2018-12390 Crash with nested event loops CVE-2018-12392 Memory safety bugs fixed in Firefox ESR 60.3 CVE-2018-12389 Integer overflow during Unicode conversion while loading JavaScript CVE-2018-12393 Affected Packages:...

Important: libvncserver

Issue Overview: LibVNC contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution CVE-2018-15127 Affected Packages: libvncserver Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for...

Amazon Linux AMI : docker (ALAS-2019-1156)

A vulnerability was discovered in runc, which is used by Docker to run containers. runc did not prevent container processes from modifying the runc binary via /proc/self/exe. A malicious container could replace the runc binary, resulting in container escape and privilege escalation. This was fixe...

Amazon Linux AMI : libXcursor (ALAS-2019-1150)

XcursorThemeInherits in library.c in libXcursor allows remote attackers to cause denial of service or potentially code execution via a one-byte heap overflow. CVE-2015-9262 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Amazon Linux AMI...

Amazon Linux AMI : curl (ALAS-2019-1151)

setfilemetadata in xattr.c in GNU Wget stores a file's origin URL in the user.xdg.origin.url metadata attribute of the extended attributes of the downloaded file, which allows local users to obtain sensitive information e.g., credentials contained in the URL by reading this attribute, as...

Amazon Linux AMI : samba (ALAS-2018-1126)

A NULL pointer dereference flaw was found in Samba RPC external printer service. An attacker could use this flaw to cause the printer spooler service to crash. CVE-2018-1050 A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious...

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 : openssl (ALAS-2019-1153)

The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. CVE-2018-0734 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were...